{"id":63979,"date":"2024-03-11T20:37:10","date_gmt":"2024-03-11T13:37:10","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=63979"},"modified":"2024-04-12T13:47:24","modified_gmt":"2024-04-12T06:47:24","slug":"html-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/html-la-gi\/","title":{"rendered":"Gi\u1ea3i \u0111\u00e1p \u201ct\u1ea5t t\u1ea7n t\u1eadt\u201d nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 HTML"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Dinh_nghia_HTML_la_gi\" >\u0110\u1ecbnh ngh\u0129a HTML l\u00e0 g\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#HTML_hoat_dong_nhu_the_nao\" >HTML ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Cac_uu_diem_va_han_che_cua_HTML_can_luu_y\" >C\u00e1c \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a HTML c\u1ea7n l\u01b0u \u00fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Bo_cuc_co_ban_cua_mot_tai_lieu_HTML\" >B\u1ed1 c\u1ee5c c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t t\u00e0i li\u1ec7u HTML<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Cac_HTML_tag_hay_duoc_su_dung\" >C\u00e1c HTML tag hay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Moi_lien_he_giua_HTML_CSS_va_JavaScript\" >M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa HTML, CSS v\u00e0 JavaScript<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Goi_y_5_phan_mem_lap_trinh_HTML_thong_dung_hien_nay\" >G\u1ee3i \u00fd 5+ ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh HTML th\u00f4ng d\u1ee5ng hi\u1ec7n nay<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Mot_so_tai_lieu_tham_khao_ve_HTML\" >M\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 HTML\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Cau_hoi_thuong_gap_ve_HTML\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 HTML\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itviec.com\/blog\/html-la-gi\/#Tong_ket_HTML_la_gi\" >T\u1ed5ng k\u1ebft HTML l\u00e0 g\u00ec<\/a><\/li><\/ul><\/nav><\/div>\n<p><b><i>HTML l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n m\u00e0 b\u1ea5t k\u1ef3 developer n\u00e0o c\u0169ng c\u1ea7n n\u1eafm v\u1eefng. \u0110\u1ed3ng th\u1eddi HTML c\u00f2n l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n kh\u00f4ng th\u1ec3 thi\u1ebfu gi\u00fap b\u1ea1n s\u00e1ng t\u1ea1o v\u00e0 v\u1eadn h\u00e0nh m\u1ed9t trang web ho\u00e0n ch\u1ec9nh. V\u1eady HTML l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a HTML nh\u01b0 th\u1ebf n\u00e0o?<\/i><\/b><\/p>\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea5t t\u1ea7n t\u1eadt ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 HTML: \u0110\u1ecbnh ngh\u0129a HTML l\u00e0 g\u00ec, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u01b0u &#8211; nh\u01b0\u1ee3c \u0111i\u1ec3m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p HTML c\u01a1 b\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n t\u00e0i li\u1ec7u tham kh\u1ea3o v\u00e0 ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh HTML ph\u1ed5 bi\u1ebfn nh\u1ea5t.\u00a0<\/span><\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dinh_nghia_HTML_la_gi\"><\/span><b>\u0110\u1ecbnh ngh\u0129a HTML l\u00e0 g\u00ec<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">HTML (Hypertext Markup Language) hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o n\u00ean c\u00e1c trang web tr\u00ean World Wide Web (www). HTML c\u00f3 ch\u1ee9c n\u0103ng gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ecbnh d\u1ea1ng, thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t trang web hay \u1ee9ng d\u1ee5ng, bao g\u1ed3m ti\u00eau \u0111\u1ec1 (headings), li\u00ean k\u1ebft (links), b\u1ea3ng (table), h\u00ecnh \u1ea3nh, \u0111o\u1ea1n v\u0103n b\u1ea3n v\u00e0 nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t t\u00e0i li\u1ec7u HTML \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c ph\u1ea7n t\u1eed HTML (HTML Elements) v\u00e0 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1eb1ng c\u00e1c c\u1eb7p th\u1ebb (tags v\u00e0 attribute). C\u00e1c c\u1eb7p th\u1ebb n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft b\u1edfi m\u1ed9t d\u1ea5u ngo\u1eb7c nh\u1ecdn v\u00e0 bao g\u1ed3m th\u1ebb m\u1edf &lt;p&gt; v\u00e0 th\u1ebb \u0111\u00f3ng &lt;\/p&gt;. V\u00ed d\u1ee5, t\u1ea1o m\u1ed9t \u0111o\u1ea1n v\u0103n b\u1ea3n b\u1eb1ng c\u1eb7p tag m\u1edf \u0111\u00f3ng:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">&lt;p&gt;C\u00e1ch th\u00eam v\u0103n b\u1ea3n trong HTML&lt;\/p&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;p&gt;HTML l\u00e0 g\u00ec?&lt;\/p&gt;<\/span><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-64060\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-1-vippro.png\" alt=\"html l\u00e0 g\u00ec - c\u00fa ph\u00e1p html - itviec blog\" width=\"1200\" height=\"484\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-1-vippro.png 1200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-1-vippro-300x121.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-1-vippro-700x282.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-1-vippro-200x81.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-1-vippro-100x40.png 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p style=\"text-align: center;\"><em>HTML l\u00e0 g\u00ec?<\/em><\/p>\n<p><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c th\u1ebb HTML c\u0169ng c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh hay \u0111\u1eb7c tr\u01b0ng c\u00f3 th\u1ec3 cung c\u1ea5p t\u00e1c d\u1ee5ng h\u1eefu \u00edch nh\u01b0 \u0111\u1ecbnh d\u1ea1ng, style,&#8230; M\u1ed9t thu\u1ed9c t\u00ednh (attribute) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c tr\u01b0ng c\u1ee7a ph\u1ea7n t\u1eed HTML v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong ph\u1ea7n t\u1eed \u0111\u00f3.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-64061\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-2-vippro.png\" alt=\"html l\u00e0 g\u00ec - c\u00fa ph\u00e1p html - thu\u1ed9c t\u00ednh html - itviec blog\" width=\"1037\" height=\"575\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-2-vippro.png 1037w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-2-vippro-300x166.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-2-vippro-700x388.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-2-vippro-200x111.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-la-gi-2-vippro-100x55.png 100w\" sizes=\"auto, (max-width: 1037px) 100vw, 1037px\" \/><\/p>\n<p style=\"text-align: center;\"><em>V\u00ed d\u1ee5 v\u1ec1 thu\u1ed9c t\u00ednh (attribute) trong HTML.<\/em><\/p>\n<p><span style=\"font-weight: 400;\">Theo v\u00ed d\u1ee5, \u1edf th\u1ebb m\u1edf &lt;p&gt; c\u00f3 thu\u1ed9c t\u00ednh href=&#8221;itviec.com&#8221;.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi \u0111\u1eb7t thu\u1ed9c t\u00ednh trong th\u1ebb, b\u1ea1n c\u0169ng c\u1ea7n l\u01b0u \u00fd:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 kho\u1ea3ng tr\u1eafng gi\u1eefa thu\u1ed9c t\u00ednh v\u00e0 ph\u1ea7n t\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Theo sau t\u00ean thu\u1ed9c t\u00ednh l\u00e0 d\u1ea5u b\u1eb1ng, v\u00ed d\u1ee5: href=&#8221;itviec.com&#8221;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u00e1 tr\u1ecb thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c k\u00e9p.\u00a0<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"HTML_hoat_dong_nhu_the_nao\"><\/span><b> HTML ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-64241 aligncenter\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-hoat-dong-nhu-the-nao-vippro.png\" alt=\"html l\u00e0 g\u00ec - html ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o - itviec blog\" width=\"1037\" height=\"575\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-hoat-dong-nhu-the-nao-vippro.png 1037w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-hoat-dong-nhu-the-nao-vippro-300x166.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-hoat-dong-nhu-the-nao-vippro-700x388.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-hoat-dong-nhu-the-nao-vippro-200x111.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/html-hoat-dong-nhu-the-nao-vippro-100x55.png 100w\" sizes=\"auto, (max-width: 1037px) 100vw, 1037px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t t\u1eadp tin c\u1ee7a HTML \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c ph\u1ea7n t\u1eed HTML, v\u00e0 m\u1ed7i ph\u1ea7n t\u1eed \u0111\u1ec1u \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi m\u1ed9t c\u1eb7p th\u1ebb (g\u1ecdi l\u00e0 tags). Khi HTML documents ho\u00e0n thi\u1ec7n s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u d\u01b0\u1edbi d\u1ea1ng \u0111u\u00f4i m\u1edf r\u1ed9ng l\u00e0 .html hay .htm.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tr\u00ecnh duy\u1ec7t web s\u1ebd \u0111\u1ecdc c\u00e1c t\u1ec7p HTML v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung cho ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 xem. C\u1ee5 th\u1ec3 h\u01a1n, tr\u00ecnh duy\u1ec7t web s\u1ebd \u0111\u1ecdc nh\u1eefng file HTML n\u00e0y, sau \u0111\u00f3 hi\u1ec3n th\u1ecb n\u1ed9i dung c\u1ee7a file t\u1eeb web server th\u00f4ng qua Internet ho\u1eb7c l\u00e0 c\u00e1c file HTML c\u1ee5c b\u1ed9 \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 xem v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c ch\u00fang. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xem ch\u00fang tr\u00ean b\u1ea5t k\u1ef3 tr\u00ecnh duy\u1ec7t web n\u00e0o nh\u01b0 Google Chrome, Firefox, Internet Explorer, Safari,&#8230;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi b\u1ea1n g\u00f5 m\u1ed9t t\u00ean mi\u1ec1n b\u1ea5t k\u1ef3, tr\u00ecnh duy\u1ec7t web s\u1ebd s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng DNS \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web. M\u00e1y ch\u1ee7 web ch\u00ednh l\u00e0 m\u1ed9t m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i Internet v\u00e0 nh\u1eadn c\u00e1c y\u00eau c\u1ea7u t\u1edbi trang web t\u1eeb tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00f3 m\u00e1y ch\u1ee7 s\u1ebd tr\u1ea3 th\u00f4ng tin v\u1ec1 tr\u00ecnh duy\u1ec7t web, s\u1eed d\u1ee5ng c\u00e1c t\u00e0i li\u1ec7u trong file HTML (ph\u00e2n t\u00edch c\u00fa ph\u00e1p HTML, CSS, JavaScript,&#8230;) v\u00e0 k\u1ebft h\u1ee3p ch\u00fang x\u00e2y d\u1ef1ng n\u00ean DOM (Document Object Model), CSSDOM. Cu\u1ed1i c\u00f9ng, nh\u1eefng n\u1ed9i dung n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean trang web cho ng\u01b0\u1eddi d\u00f9ng xem v\u00e0 t\u01b0\u01a1ng t\u00e1c.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_uu_diem_va_han_che_cua_HTML_can_luu_y\"><\/span><b>C\u00e1c \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a HTML c\u1ea7n l\u01b0u \u00fd<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u0169ng nh\u01b0 \u0111i\u1ec3m h\u1ea1n ch\u1ebf v\u1ec1 HTML b\u1ea1n c\u1ea7n l\u01b0u \u00fd nh\u01b0 sau:<\/span><\/p>\n<h3><b> \u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a HTML<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HTML \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 r\u1ed9ng r\u00e3i v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 tr\u00ean tr\u00ecnh duy\u1ec7t web nh\u01b0 Chrome, FireFox, Safari. B\u00ean c\u1ea1nh \u0111\u00f3 c\u00f2n h\u1ed7 tr\u1ee3 c\u00e1c phi\u00ean b\u1ea3n m\u1edbi c\u1ee7a Internet Explorer v\u00e0 Edge.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng b\u1ed9 m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 mi\u1ec5n ph\u00ed, kh\u00f4ng c\u1ea7n ph\u1ea3i mua th\u00eam b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Linh ho\u1ea1t, d\u1ec5 t\u00ecm hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u1edbi c\u00e1c ng\u00f4n ng\u1eef back-end nh\u01b0 PHP, Ruby, Java,&#8230;.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Markup s\u1eed d\u1ee5ng trong HTML ng\u1eafn g\u1ecdn v\u00e0 c\u00f3 t\u00ednh \u0111\u1ed3ng nh\u1ea5t cao.<\/span><\/li>\n<\/ul>\n<h3><b> H\u1ea1n ch\u1ebf c\u1ee7a HTML<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a HTML l\u00e0 l\u1eadp tr\u00ecnh cho c\u00e1c trang web t\u0129nh, do \u0111\u00f3 n\u1ebfu b\u1ea1n c\u1ea7n t\u1ea1o c\u00e1c trang c\u00f3 t\u00ednh n\u0103ng \u0111\u1ed9ng th\u00ec c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00f9ng JavaScript ho\u1eb7c c\u00e1c ng\u00f4n ng\u1eef backend kh\u00e1c.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i t\u1ea1o t\u1eebng file HTML ri\u00eang l\u1ebb, ngay c\u1ea3 khi c\u1ea5u tr\u00fac ph\u1ea7n t\u1eed gi\u1ed1ng nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p, b\u1ea1n s\u1ebd c\u1ea7n vi\u1ebft r\u1ea5t nhi\u1ec1u \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1ea1o n\u00ean m\u1ed9t trang web \u0111\u01a1n gi\u1ea3n.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u00f2n b\u1ecb h\u1ea1n ch\u1ebf, d\u1ec5 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u1ecb r\u00f2 r\u1ec9 th\u00f4ng tin v\u00e0 b\u1ecb hack d\u1eef li\u1ec7u.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 tr\u00ecnh duy\u1ec7t c\u00f2n ch\u1eadm c\u1eadp nh\u1eadt, ch\u01b0a h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng m\u1edbi c\u1ee7a HTML.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Bo_cuc_co_ban_cua_mot_tai_lieu_HTML\"><\/span><b> B\u1ed1 c\u1ee5c c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t t\u00e0i li\u1ec7u HTML<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">B\u1ed1 c\u1ee5c c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t t\u1ec7p t\u00e0i li\u1ec7u HTML cho trang web nh\u01b0 sau:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">&lt;!doctype html&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;html lang=\"vi\"&gt;\r\n<\/span>\r\n<span style=\"font-weight: 400;\">  &lt;head&gt;<\/span>\r\n<span style=\"font-weight: 400;\">    &lt;meta charset=\"utf-8\" \/&gt;<\/span>\r\n<span style=\"font-weight: 400;\">    &lt;meta name=\"viewport\" content=\"width=device-width\" <\/span><span style=\"font-weight: 400;\">\/&gt;<\/span>\r\n<span style=\"font-weight: 400;\">    &lt;title&gt;Ti\u00eau \u0111\u1ec1 n\u1eb1m \u1edf \u0111\u00e2y&lt;\/title&gt;<\/span>\r\n<span style=\"font-weight: 400;\">  &lt;\/head&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">  &lt;body&gt;<\/span>\r\n<span style=\"font-weight: 400;\">     &lt;img src=\"images\/itviec-logo.png\" alt=\"\u0110\u00e2y l\u00e0 h\u00ecnh\"<\/span><span style=\"font-weight: 400;\"> \/&gt;<\/span>\r\n<span style=\"font-weight: 400;\">  &lt;\/body&gt;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">&lt;\/html&gt;<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a HTML bao g\u1ed3m 5 ph\u1ea7n t\u1eed ch\u00ednh l\u00e0 &lt;!DOCTYPE&gt;, &lt;html&gt;, &lt;head&gt;, &lt;title&gt; v\u00e0 &lt;body&gt;. Trong \u0111\u00f3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">&lt;!DOCTYPE&gt;: M\u1ecdi t\u00e0i li\u1ec7u HTML ph\u1ea3i b\u1eaft \u0111\u1ea7u b\u1eb1ng khai b\u00e1o &lt;!DOCTYPE&gt; cho tr\u00ecnh duy\u1ec7t web bi\u1ebft \u0111\u01b0\u1ee3c trang \u0111\u01b0\u1ee3c bi\u1ebft b\u1eb1ng phi\u00ean b\u1ea3n HTML n\u00e0o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">&lt;html&gt;: Cho bi\u1ebft r\u1eb1ng trang s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng b\u1eb1ng HTML v\u00e0 n\u1ed9i dung c\u1ee7a trang \u0111\u00f3 s\u1ebd s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef n\u00e0o (English, Vietnamese,&#8230;) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed9t trang web th\u00f4ng qua thu\u1ed9c t\u00ednh &lt;lang&gt;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">&lt;head&gt;: Ch\u1ee9a t\u1ea5t c\u1ea3 n\u1ed9i dung b\u1ea1n mu\u1ed1n \u0111\u01b0a v\u00e0o trang HTML nh\u01b0ng kh\u00f4ng hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi xem trang. Bao g\u1ed3m nh\u1eefng th\u1ee9 nh\u01b0 t\u1eeb kh\u00f3a (keywords), m\u00f4 t\u1ea3 trang (page description) m\u00e0 b\u1ea1n mu\u1ed1n xu\u1ea5t hi\u1ec7n tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. Ngo\u00e0i ra, &lt;head&gt; c\u0169ng th\u01b0\u1eddng ch\u1ee9a c\u00e1c li\u00ean k\u1ebft CSS, JavaScript hay Meta Tags.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">&lt;title&gt;: Ph\u1ea7n t\u1eed \u0111\u1eb7t ti\u00eau \u0111\u1ec1 cho trang, ti\u00eau \u0111\u1ec1 xu\u1ea5t hi\u1ec7n \u0111\u1ea7u ti\u00ean trong tab tr\u00ecnh duy\u1ec7t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">&lt;body&gt;: Ph\u1ea7n t\u1eed ch\u1ee9a t\u1ea5t c\u1ea3 n\u1ed9i dung m\u00e0 b\u1ea1n mu\u1ed1n hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng web khi h\u1ecd truy c\u1eadp trang c\u1ee7a b\u1ea1n nh\u01b0 v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, video, tr\u00f2 ch\u01a1i, \u00e2m thanh hay b\u1ea5t k\u1ef3 n\u1ed9i dung n\u00e0o kh\u00e1c.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_HTML_tag_hay_duoc_su_dung\"><\/span><b>C\u00e1c HTML tag hay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">HTML tags c\u00f3 hai lo\u1ea1i ch\u00ednh l\u00e0 block-level tags (ph\u1ea7n t\u1eed c\u1ea5p kh\u1ed1i) v\u00e0 inline tags (ph\u1ea7n t\u1eed n\u1ed9i tuy\u1ebfn). Trong \u0111\u00f3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Block-level Tags \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho to\u00e0n kh\u00f4ng gian c\u1ee7a web v\u00e0 b\u1eaft \u0111\u1ea7u b\u1eb1ng d\u00f2ng m\u1edbi c\u1ee7a trang. M\u1ed9t s\u1ed1 th\u1ebb block-level tags trong HTML nh\u01b0 &lt;html&gt;, &lt;div&gt;, &lt;p&gt;, &lt;table&gt; v\u00e0 &lt;body&gt;.\u00a0\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u01b0\u1ee3c l\u1ea1i, Inline Tags ch\u1ec9 chi\u1ebfm m\u1ed9t ph\u1ea7n nh\u1ecf tr\u00ean kh\u00f4ng gian web v\u00e0 kh\u00f4ng c\u1ea7n b\u1eaft \u0111\u1ea7u b\u1eb1ng d\u00f2ng m\u1edbi tr\u00ean trang. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o b\u1ed1 c\u1ee5c v\u00e0 \u0111\u1ecbnh d\u1ea1ng cho ph\u1ea7n n\u1ed9i dung c\u1ee7a Block-Level Tags. M\u1ed9t s\u1ed1 th\u1ebb Inline ph\u1ed5 bi\u1ebfn nh\u01b0 &lt;a&gt;, &lt;span&gt;, &lt;b&gt;, &lt;i&gt;,&#8230;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, m\u1ed9t s\u1ed1 HTML tag th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u v\u0103n b\u1ea3n nh\u01b0 sau:<\/span><b><\/b><\/p>\n<h3><b>Headings<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Headings cho ph\u00e9p b\u1ea1n ch\u1ec9 \u0111\u1ecbnh m\u1ed9t s\u1ed1 ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh trong n\u1ed9i dung c\u1ee7a b\u1ea1n l\u00e0 ti\u00eau \u0111\u1ec1 ho\u1eb7c ti\u00eau \u0111\u1ec1 ph\u1ee5. HTML th\u01b0\u1eddng ch\u1ee9a 6 c\u1ea5p ti\u00eau \u0111\u1ec1 t\u1eeb &lt;h1&gt; \u0111\u1ebfn &lt;h6&gt; nh\u01b0ng th\u00f4ng th\u01b0\u1eddng b\u1ea1n ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng t\u1ed1i \u0111a 3-4 ti\u00eau \u0111\u1ec1.<\/span><\/p>\n<pre>&lt;!-- 4 b\u1eadc ti\u00eau \u0111\u1ec1: --&gt;\r\n\r\n&lt;h1&gt;\u0110\u00e2y l\u00e0 ti\u00eau \u0111\u1ec1 ch\u00ednh&lt;\/h1&gt;\r\n&lt;h2&gt;\u0110\u00e2y l\u00e0 ti\u00eau \u0111\u1ec1 c\u00f3 b\u1eadc cao&lt;\/h2&gt;\r\n&lt;h3&gt;\u0110\u00e2y l\u00e0 ti\u00eau \u0111\u1ec1 ph\u1ee5&lt;\/h3&gt;\r\n&lt;h4&gt;\u0110\u00e2y l\u00e0 ti\u00eau \u0111\u1ec1 ph\u1ee5 c\u1ee7a ph\u1ee5&lt;\/h4&gt;<\/pre>\n<p><span style=\"font-weight: 400;\"><strong>L\u01b0u \u00fd:<\/strong> Nh\u1eefng n\u1ed9i dung \u1edf gi\u1eefa &lt;!&#8211;&gt; v\u00e0 \u2192 \u0111\u1ec1u l\u00e0 nh\u1eadn x\u00e9t HTML (HTML Comments). Tr\u00ecnh duy\u1ec7t s\u1ebd b\u1ecf qua c\u00e1c nh\u1eadn x\u00e9t n\u00e0y khi hi\u1ec3n th\u1ecb tr\u00ean trang web. HTML Comments l\u00e0 m\u1ed9t c\u00e1ch h\u1eefu \u00edch \u0111\u1ec3 b\u1ea1n vi\u1ebft ghi ch\u00fa v\u1ec1 code ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a m\u00ecnh.<\/span><b><\/b><\/p>\n<h3><b>Lists<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">R\u1ea5t nhi\u1ec1u n\u1ed9i dung tr\u00ean trang web \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng danh s\u00e1ch (lists) v\u00e0 HTML c\u0169ng c\u00f3 c\u00e1c c\u1ea5u tr\u00fac ph\u1ea7n t\u1eed \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho n\u1ed9i dung d\u1ea1ng danh s\u00e1ch. Lists cung c\u1ea5p 2 lo\u1ea1i ch\u00ednh l\u00e0 danh s\u00e1ch c\u00f3 th\u1ee9 t\u1ef1 (Ordered Lists, k\u00fd hi\u1ec7u &lt;ol&gt;) v\u00e0 kh\u00f4ng c\u00f3 th\u1ee9 t\u1ef1 (Unordered Lists, k\u00fd hi\u1ec7u &lt;ul&gt;). M\u1ed7i m\u1ee5c trong danh s\u00e1ch s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t trong ph\u1ea7n t\u1eed &lt;li&gt; (lists).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u00f2n c\u00f3 m\u1ed9t lo\u1ea1i danh s\u00e1ch kh\u00e1c l\u00e0 danh s\u00e1ch mi\u00eau t\u1ea3 (&lt;dl&gt;) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb danh s\u00e1ch c\u00e1c thu\u1eadt ng\u1eef v\u00e0 mi\u00eau t\u1ea3 c\u1ee7a ch\u00fang.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: Chuy\u1ec3n \u0111o\u1ea1n v\u0103n sau th\u00e0nh m\u1ed9t danh s\u00e1ch:<\/span><\/p>\n<pre>&lt;p&gt;<span style=\"font-weight: 400;\">Lists cung c\u1ea5p 2 lo\u1ea1i ch\u00ednh l\u00e0 danh s\u00e1ch c\u00f3 th\u1ee9 t\u1ef1\r\n(Ordered Lists, k\u00fd hi\u1ec7u &lt;ol&gt;) v\u00e0 kh\u00f4ng c\u00f3 th\u1ee9 t\u1ef1\r\n(Unordered Lists, k\u00fd hi\u1ec7u &lt;ul&gt;)<\/span>&lt;\/p&gt;<\/pre>\n<p>Sau khi chuy\u1ec3n th\u00e0nh danh s\u00e1ch:<\/p>\n<pre>&lt;p&gt;<span style=\"font-weight: 400;\">Lists cung c\u1ea5p 2 lo\u1ea1i ch\u00ednh l\u00e0<\/span>&lt;\/p&gt;\r\n&lt;ul&gt;\r\n&lt;li&gt;<span style=\"font-weight: 400;\">danh s\u00e1ch c\u00f3 th\u1ee9 t\u1ef1 (Ordered Lists, k\u00fd hi\u1ec7u &lt;ol&gt;)<\/span>&lt;\/li&gt;\r\n&lt;li&gt;<span style=\"font-weight: 400;\">kh\u00f4ng c\u00f3 th\u1ee9 t\u1ef1 (Unordered Lists, k\u00fd hi\u1ec7u &lt;ul&gt;)<\/span>&lt;\/li&gt;\r\n&lt;\/ul&gt;<\/pre>\n<h3><b>Links<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00e1c li\u00ean k\u1ebft th\u01b0\u1eddng r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh t\u1ea1o m\u1ed9t trang web. \u0110\u1ec3 th\u00eam m\u1ed9t li\u00ean k\u1ebft, b\u1ea1n s\u1ebd s\u1eed d\u1ee5ng ph\u1ea7n t\u1eed\u00a0 &lt;a&gt;, trong \u0111\u00f3 \u201ca\u201d l\u00e0 d\u1ea1ng vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb \u201canchor\u201d.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 ch\u00e8n link v\u00e0o m\u1ed9t c\u1ee5m t\u1eeb trong \u0111o\u1ea1n v\u0103n c\u1ee7a b\u1ea1n, h\u00e3y tham kh\u1ea3o qua v\u00ed d\u1ee5 sau:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u00e8n link v\u00e0o c\u1ee5m t\u1eeb \u201cITviec Blog\u201d\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t c\u1ee5m t\u1eeb \u0111\u00e3 ch\u1ecdn trong ph\u1ea7n t\u1eed &lt;a&gt;: &lt;a&gt;ITviec Blog&lt;\/a&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00eam thu\u1ed9c t\u00ednh href (hypertext reference): &lt;a href=&#8221;&#8221;&gt;ITviec Blog&lt;\/a&gt;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebfp theo, \u0111i\u1ec1n c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh n\u00e0y v\u1edbi \u0111\u1ecba ch\u1ec9 web m\u00e0 b\u1ea1n mu\u1ed1n li\u00ean k\u1ebft t\u1edbi.<\/span><\/li>\n<\/ul>\n<pre>&lt;a href=\"https:\/\/www.https:\/\/itviec.com\/blog\/\"&gt;\r\nITviec Blog\r\n&lt;\/a&gt;<\/pre>\n<h3><b>Paragraphs<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ph\u1ea7n t\u1eed &lt;p&gt; th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng \u0111o\u1ea1n v\u0103n b\u1ea3n th\u00f4ng th\u01b0\u1eddng trong m\u1ed9t \u0111o\u1ea1n code HTML. Khi d\u00f9ng th\u1ebb &lt;p&gt;, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c th\u1ebb &lt;a&gt;, &lt;img\/&gt;, &lt;span&gt;,&lt;strong&gt; hay &lt;br&gt; \u0111\u1ec3 b\u1ed5 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng cho v\u0103n b\u1ea3n.<\/span><\/p>\n<pre>&lt;p&gt;\u0110\u00e2y l\u00e0 m\u1ed9t \u0111o\u1ea1n v\u0103n.&lt;\/p&gt;<\/pre>\n<h3><b>Break<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ph\u1ea7n t\u1eed &lt;br&gt; trong HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ng\u1eaft d\u00f2ng trong m\u1ed9t \u0111o\u1ea1n v\u0103n b\u1ea3n ho\u1eb7c l\u00e0 \u0111\u1eb7t gi\u1eefa hai ph\u1ea7n t\u1eed \u0111\u1ec3 t\u1ea1o kho\u1ea3ng c\u00e1ch, c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 v\u1edbi ph\u00edm Enter. B\u00ean c\u1ea1nh \u0111\u00f3, ph\u1ea7n t\u1eed &lt;br&gt; \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 m\u1ed9t th\u1ebb \u0111\u01a1n n\u00ean b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u00f3ng th\u1ebb khi s\u1eed d\u1ee5ng b\u1eb1ng HTML. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng XHTML th\u00ec n\u00ean s\u1eed d\u1ee5ng th\u00eam th\u1ebb br \u0111\u00f3ng &lt;\/br&gt;.<\/span><\/p>\n<pre>&lt;!DOCTYPE html&gt;\r\n\r\n&lt;html&gt;\r\n&lt;body&gt;\r\n     &lt;p&gt;T\u00ccM&lt;br&gt;HI\u1ec2U&lt;br&gt;HTML&lt;\/p&gt;\r\n     &lt;p&gt;C\u00f9ng v\u1edbi ITviec nh\u00e9!&lt;\/p&gt;\r\n     &lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;\r\n     &lt;p&gt;Gi\u1edbi thi\u1ec7u c\u00e1c HTML tag th\u01b0\u1eddng s\u1eed d\u1ee5ng nh\u1ea5t&lt;\/p&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb s\u1ebd nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n<pre>T\u00ccM\r\nHI\u1ec2U\r\nHTML\r\n\r\nC\u00f9ng v\u1edbi ITviec nh\u00e9!\r\n\r\n\r\n\r\nGi\u1edbi thi\u1ec7u c\u00e1c HTML tag th\u01b0\u1eddng s\u1eed d\u1ee5ng nh\u1ea5t<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Moi_lien_he_giua_HTML_CSS_va_JavaScript\"><\/span><b> M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa HTML, CSS v\u00e0 JavaScript<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">HTML \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai m\u1ed9t website, nh\u01b0ng m\u1ed9t m\u00ecnh HTML v\u1eabn ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t website ho\u00e0n ch\u1ec9nh v\u00e0 chuy\u00ean nghi\u1ec7p. Ch\u00ednh v\u00ec v\u1eady, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng k\u1ebft h\u1ee3p HTML v\u1edbi hai ng\u00f4n ng\u1eef front-end kh\u00e1c l\u00e0 CSS v\u00e0 JavaScript \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t website ho\u00e0n ch\u1ec9nh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi k\u1ebft h\u1ee3p gi\u1eefa HTML, CSS v\u00e0 JavaScript s\u1ebd gi\u00fap website t\u0103ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng hi\u1ec7u qu\u1ea3 v\u1edbi m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh HTML t\u1ea1o c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t trang web th\u00ec CSS s\u1ebd \u0111\u00f3ng vai tr\u00f2 thi\u1ebft l\u1eadp m\u00e0u s\u1eafc, background, hi\u1ec7u \u1ee9ng,.. ph\u00f9 h\u1ee3p v\u1edbi \u00fd t\u01b0\u1edfng c\u1ee7a website.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f2n <\/span><a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">JavaScript<\/span><\/a><span style=\"font-weight: 400;\"> s\u1ebd c\u00f3 vai tr\u00f2 bi\u1ebfn c\u00e1c c\u1ea5u tr\u00fac th\u00e0nh ph\u1ea7n th\u00e0nh th\u1ee9 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c, c\u1ee5 th\u1ec3 l\u00e0 t\u1ea1o ra c\u00e1c t\u00ednh n\u0103ng \u0111\u1ed9ng nh\u01b0 slider, pop-up,&#8230;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n, <strong>HTML cung c\u1ea5p ph\u1ea7n x\u01b0\u01a1ng c\u1ee7a trang web, CSS ph\u1ee5 tr\u00e1ch ph\u1ea7n da v\u00e0 JavaScript s\u1ebd l\u00e0 \u0111\u1ea7u n\u00e3o quan tr\u1ecdng<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, b\u1ea1n mu\u1ed1n t\u1ea1o m\u1ed9t trang web cho ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1n bi\u1ec3u m\u1eabu tham gia m\u1ed9t cu\u1ed9c thi, th\u00ec:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HTML: T\u1ea1o c\u00e1c th\u00f4ng tin v\u1ec1 cu\u1ed9c thi, bi\u1ec3u m\u1eabu (h\u1ecd t\u00ean, tu\u1ed5i, \u0111\u1ecba ch\u1ec9,&#8230;) d\u01b0\u1edbi d\u1ea1ng nh\u1eefng \u0111o\u1ea1n m\u00e3 v\u0103n b\u1ea3n.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS: Ch\u1ec9nh s\u1eeda c\u00e1c \u0111o\u1ea1n v\u0103n b\u1ea3n theo b\u1ed1 c\u1ee5c h\u1ee3p l\u00fd nh\u01b0 \u0111\u1ecbnh d\u1ea1ng b\u1ea3ng, m\u00e0u s\u1eafc, ki\u1ec3u d\u00e1ng,.. \u0110\u1ed3ng th\u1eddi gi\u00fap b\u1ea1n t\u1ea1o n\u00ean c\u00e1c \u00f4 \u0111i\u1ec1n c\u00e2u tr\u1ea3 l\u1eddi cho ng\u01b0\u1eddi d\u00f9ng.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">JavaScript: Cho ph\u00e9p b\u1ea1n l\u1eadp tr\u00ecnh m\u1ed9t popup hi\u1ec3n th\u1ecb \u201cC\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 tham gia\u201d khi b\u1ea1n \u0111\u00e3 \u0111i\u1ec1n \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin v\u00e0 b\u1ea5m g\u1eedi.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Goi_y_5_phan_mem_lap_trinh_HTML_thong_dung_hien_nay\"><\/span><b>G\u1ee3i \u00fd 5+ ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh HTML th\u00f4ng d\u1ee5ng hi\u1ec7n nay<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh ph\u00f9 h\u1ee3p s\u1ebd gi\u00fap b\u1ea1n vi\u1ebft code ch\u00ednh x\u00e1c, nhanh ch\u00f3ng v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian h\u01a1n nh\u1edd nh\u1eefng t\u00ednh n\u0103ng t\u1ed1i \u01b0u. Tham kh\u1ea3o qua m\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh HTML ph\u1ed5 bi\u1ebfn d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<h3><b> Notepad++<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Notepad++ \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 tr\u00ecnh so\u1ea1n th\u1ea3o m\u00e3 ngu\u1ed3n m\u1edf mi\u1ec5n ph\u00ed ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00e0 c\u1ea3 l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 kinh nghi\u1ec7m. Ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c nhi\u1ec1u lo\u1ea1i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau nh\u01b0 PHP, CSS, JavaScript, C, <\/span><a href=\"https:\/\/itviec.com\/blog\/cpp-la-gi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">C++<\/span><\/a><span style=\"font-weight: 400;\">,&#8230; B\u00ean c\u1ea1nh \u0111\u00f3, Notepad++ c\u00f3 h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ng\u00f4n ng\u1eef kh\u00e1c nhau v\u00e0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n \u0111\u1ed5i ng\u00f4n ng\u1eef m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. Ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ed5i m\u1ed9t \u0111o\u1ea1n code \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi ng\u00f4n ng\u1eef C++ th\u00e0nh JavaScript v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, Notepad++ c\u00f3 t\u00edch h\u1ee3p FTP (File Transfer Protocol &#8211; Giao th\u1ee9c truy\u1ec1n t\u1ea3i t\u1eadp tin) cho ph\u00e9p b\u1ea1n ch\u1ec9nh s\u1eeda m\u00e3 v\u00e0 truy\u1ec1n c\u00e1c t\u1ec7p d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch an to\u00e0n. Cu\u1ed1i c\u00f9ng, \u0111\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n m\u1ec1m l\u1eadp tr\u00ecnh c\u00f3 dung l\u01b0\u1ee3ng kh\u00e1 nh\u1eb9 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n nh\u1ecf h\u01a1n 20GB.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e3 ngu\u1ed3n m\u1edf v\u00e0 mi\u1ec5n ph\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh c\u00e1c t\u00ednh n\u0103ng UI.\u00a0<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"text-align: left;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao di\u1ec7n c\u00f2n l\u1ed7i th\u1eddi.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng t\u00edch h\u1ee3p Git.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>Sublime Text<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sublime Text ho\u1ea1t \u0111\u1ed9ng g\u1ea7n gi\u1ed1ng v\u1edbi Notepad++ nh\u01b0ng v\u1edbi nhu c\u1ea7u ph\u1ee9c t\u1ea1p h\u01a1n. N\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nh\u01b0 C, Python, CSS v\u00e0 JavaScript. Sublime Text c\u00f3 hi\u1ec7u n\u0103ng kh\u00e1 t\u1ed1t, \u00edt t\u1ed1n t\u00e0i nguy\u00ean, kh\u1edfi \u0111\u1ed9ng nhanh, giao di\u1ec7n \u0111\u01a1n gi\u1ea3n v\u00e0 nhi\u1ec1u theme \u0111\u1ec3 l\u1ef1a ch\u1ecdn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1eb7c bi\u1ec7t, ph\u1ea7n m\u1ec1m n\u00e0y t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u plugin h\u1eefu \u00edch gi\u00fap ng\u01b0\u1eddi d\u00f9ng ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c th\u1eddi gian.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7n nay, Sublime Text c\u00f3 hai phi\u00ean b\u1ea3n cho ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn l\u00e0 mi\u1ec5n ph\u00ed v\u00e0 c\u00f3 tr\u1ea3 ph\u00ed.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao di\u1ec7n \u0111\u1eb9p, \u0111\u01a1n gi\u1ea3n, th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ecnh chia \u0111\u00f4i m\u00e0n h\u00ecnh, thao t\u00e1c \u0111a nhi\u1ec7m v\u00e0 ch\u1ec9nh s\u1eeda nhi\u1ec1u l\u1ef1a ch\u1ecdn.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ecnh t\u1ed5 ch\u1ee9c t\u1ec7p t\u00edch h\u1ee3p \u0111\u1ec3 d\u1ec5 d\u00e0ng \u0111i\u1ec1u h\u01b0\u1edbng.\u00a0<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"text-align: left;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n tr\u1ea3 ph\u00ed c\u00f3 gi\u00e1 th\u00e0nh cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng qu\u1ea3n l\u00fd t\u00edch h\u1ee3p \u0111\u1ec3 c\u00e0i \u0111\u1eb7t plugin c\u1ee7a b\u00ean th\u1ee9 ba.\u00a0<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>UltraEdit<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">UltraEdit l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m mang \u0111\u1ebfn gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u v\u00e0 hi\u1ec7u qu\u1ea3 trong c\u00f4ng vi\u1ec7c l\u1eadp tr\u00ecnh. Trong h\u01a1n 25 n\u0103m, UltraEdit \u0111\u00e3 tr\u1edf th\u00e0nh tr\u00ecnh ch\u1ec9nh s\u1eeda \u0111\u01b0\u1ee3c nhi\u1ec1u chuy\u00ean gia \u01b0a chu\u1ed9ng, gi\u1ea3i quy\u1ebft nhanh ch\u00f3ng m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 c\u00f2n kh\u00f3 kh\u0103n trong ng\u00e0nh. Hi\u1ec7n nay, UltraEdit c\u00f3 s\u1eb5n cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows, Mac, <\/span><a href=\"https:\/\/itviec.com\/blog\/linux\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Linux<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0 l\u00e0 gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n cho c\u00e1c doanh nghi\u1ec7p, chuy\u00ean gia ho\u1eb7c c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 kinh nghi\u1ec7m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng n\u1ed5i b\u1eadt c\u1ee7a UltraEdit l\u00e0 c\u00f3 t\u00edch h\u1ee3p FTP cho ph\u00e9p b\u1ea1n truy\u1ec1n c\u00e1c t\u1ec7p d\u1eef li\u1ec7u l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 an to\u00e0n. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f2n c\u00f3 h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng nh\u01b0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u00f9y ch\u1ec9nh ch\u1ee7 \u0111\u1ec1 v\u00e0 b\u1ed1 c\u1ee5c theo s\u1edf th\u00edch, ch\u1ec9nh s\u1eeda m\u00e3 theo c\u1ed9t, nhanh ch\u00f3ng v\u00e0 h\u1eefu \u00edch h\u01a1n khi g\u1ee1 l\u1ed7i c\u0169ng nh\u01b0 ch\u1ec9nh s\u1eeda m\u00e3 kh\u1ed1i.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng x\u1eed l\u00fd, ch\u1ec9nh s\u1eeda t\u1ec7p d\u1eef li\u1ec7u l\u1edbn m\u00e0 kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00edch h\u1ee3p FTP.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng xem tr\u01b0\u1edbc tr\u1ef1c ti\u1ebfp.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m, chuy\u00ean gia trong ng\u00e0nh.<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"text-align: left;\">\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u00e1 th\u00e0nh cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f2n m\u1ed9t s\u1ed1 l\u1ed7i nh\u1ecf v\u1ec1 UI.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>NoteTab<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">NoteTab cung c\u1ea5p cho b\u1ea1n to\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t m\u00e3 HTML, c\u00f3 th\u1ec3 ch\u00e8n th\u1ebb v\u00e0 m\u00e3 HTML kh\u00e1c t\u1eeb thanh c\u00f4ng c\u1ee5, ki\u1ec3m tra ch\u00ednh t\u1ea3 \u0111a ng\u00f4n ng\u1eef. \u0110\u1eb7c bi\u1ec7t, NoteTab l\u00e0 tr\u00ecnh so\u1ea1n th\u1ea3o HTML c\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 cho CSS Bootstrap, cho ph\u00e9p b\u1ea1n x\u00e2y d\u1ef1ng trang Bootstrap b\u1eb1ng NoteTab nhanh ch\u00f3ng v\u00e0 ti\u1ec7n l\u1ee3i h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u01b0\u01a1ng t\u1ef1 v\u1edbi UltraEdit, NoteTab c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c t\u1ec7p d\u1eef li\u1ec7u l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng nh\u1edd t\u00edch h\u1ee3p FTP. \u0110\u1ed3ng th\u1eddi kh\u00f4ng h\u1ed7 tr\u1ee3 Git v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi v\u1edbi c\u00fa ph\u00e1p cho c\u00e1c t\u1ec7p HTML, XML v\u00e0 CSS.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Linh ho\u1ea1t, h\u1ed7 tr\u1ee3 nhi\u1ec1u nhu c\u1ea7u c\u1ee7a c\u00e1c developer.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n ti\u1ec7n \u00edch l\u1edbn.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 CSS Bootstrap.<\/span><\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 h\u1ed7 tr\u1ee3 ng\u00f4n ng\u1eef HTML, XML v\u00e0 CSS.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng t\u00edch h\u1ee3p Git.\u00a0<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p><em><span style=\"font-weight: 400;\">Xem th\u00eam: <\/span><strong><a href=\"https:\/\/itviec.com\/blog\/git-la-gi\/\">Git l\u00e0 g\u00ec? 6 l\u1ee3i \u00edch tuy\u1ec7t v\u1eddi khi d\u00f9ng Git<\/a><\/strong><\/em><\/p><\/blockquote>\n<h3><b>Visual Studio Code<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Visual Studio Code l\u00e0 tr\u00ecnh so\u1ea1n th\u1ea3o m\u00e3 ngu\u1ed3n m\u1edf \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft v\u00e0 h\u1ed7 tr\u1ee3 \u0111a n\u1ec1n t\u1ea3ng tr\u00ean Windows, MacOS hay Linux. VS Code \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed v\u00e0 c\u00f3 cung c\u1ea5p h\u1ed7 tr\u1ee3 g\u1ee1 l\u1ed7i, t\u00edch h\u1ee3p Git hay \u0111\u00e1nh d\u1ea5u \u0111o\u1ea1n m\u00e3,&#8230; Giao di\u1ec7n c\u0169ng r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng, c\u00f3 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao, d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i sang c\u00e1c ch\u1ee7 \u0111\u1ec1, ph\u00edm t\u1eaft hay c\u00e1c t\u00f9y ch\u1ecdn kh\u00e1c.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n Extensions l\u1edbn.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111em \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m tuy\u1ec7t v\u1eddi.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi d\u00f9ng v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n l\u1edbn.<\/span><\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400; text-align: left;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng xem tr\u01b0\u1edbc.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Mot_so_tai_lieu_tham_khao_ve_HTML\"><\/span><b>M\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 HTML\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ngu\u1ed3n t\u00e0i li\u1ec7u tham kh\u1ea3o mi\u1ec5n ph\u00ed v\u1ec1 HTML:<\/span><b><\/b><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/replit.com\/languages\/html\" target=\"_blank\" rel=\"noopener\">Replit<\/a><\/strong><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng tr\u1ef1c tuy\u1ebfn d\u00e0nh ri\u00eang cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 vi\u1ebft code, kh\u1edfi t\u1ea1o v\u00e0 h\u1ee3p t\u00e1c v\u1edbi nhau trong c\u00e1c d\u1ef1 \u00e1n v\u1ec1 ph\u1ea7n m\u1ec1m, c\u00f4ng ngh\u1ec7 th\u00f4ng tin. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u1eadp tr\u00ecnh v\u00e0 chia s\u1ebb HTML, CSS hay JavaScript th\u00f4ng qua tr\u00ecnh duy\u1ec7t c\u1ee7a m\u00ecnh m\u00e0 kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea7n m\u1ec1m ho\u1eb7c ph\u1ea7n c\u1ee9ng n\u00e0o kh\u00e1c.<\/span><\/li>\n<li><strong><a href=\"https:\/\/www.w3schools.com\/\" target=\"_blank\" rel=\"noopener\">W3School<\/a><\/strong> l\u00e0 m\u1ed9t trang web h\u1ecdc online n\u1ed5i ti\u1ebfng cung c\u1ea5p nhi\u1ec1u t\u00e0i li\u1ec7u h\u1ecdc h\u1eefu \u00edch v\u1ec1 HTML. B\u1ea1n d\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c c\u00e1c t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn, ngu\u1ed3n tham kh\u1ea3o c\u0169ng nh\u01b0 nh\u1eefng \u0111o\u1ea1n code m\u1eabu \u0111\u1ec3 th\u1ef1c h\u00e0nh v\u00e0 tri\u1ec3n khai HTML, CSS, Python, PHP,&#8230;<\/li>\n<li><strong><a href=\"https:\/\/www.codecademy.com\/learn\/learn-html\" target=\"_blank\" rel=\"noopener\">Codecademy<\/a><\/strong> chuy\u00ean cung c\u1ea5p c\u00e1c kh\u00f3a h\u1ecdc tr\u1ef1c tuy\u1ebfn v\u1ec1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh v\u00e0 c\u00f4ng ngh\u1ec7. N\u1ec1n t\u1ea3ng cung c\u1ea5p m\u1ed9t s\u1ed1 kh\u00f3a h\u1ecdc mi\u1ec5n ph\u00ed v\u1ec1 t\u1ed5ng quan HTML c\u01a1 b\u1ea3n, ph\u00f9 h\u1ee3p cho nh\u1eefng ai m\u1edbi b\u1eaft \u0111\u1ea7u v\u00e0 mu\u1ed1n t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch t\u1ea1o trang web b\u1eb1ng HTML.<\/li>\n<li><strong><a href=\"https:\/\/www.learn-html.org\/\" target=\"_blank\" rel=\"noopener\">Learn HTML<\/a> <\/strong>gi\u00fap ng\u01b0\u1eddi h\u1ecdc n\u1eafm v\u1eefng c\u00e1ch x\u00e2y d\u1ef1ng trang web b\u1eb1ng HTML v\u00e0 CSS theo t\u1eebng b\u01b0\u1edbc c\u1ee5 th\u1ec3 v\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1ef1c h\u00e0nh sau m\u1ed7i b\u00e0i. Kh\u00f3a h\u1ecdc c\u01a1 b\u1ea3n t\u1ea1i Learn HTML s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n x\u00e2y d\u1ef1ng m\u1ed9t trang web b\u1eb1ng CSS Bootstrap. C\u00f2n kh\u00f3a n\u00e2ng cao s\u1ebd h\u01b0\u1edbng d\u1eabn v\u1ec1 HTML v\u00e0 CSS.<\/li>\n<li><a href=\"https:\/\/web.dev\/learn\/html\/lists\/\" target=\"_blank\" rel=\"noopener\"><strong>Web.dev<\/strong><\/a> \u0111\u01b0\u1ee3c Google ra m\u1eaft nh\u1eb1m cung c\u1ea5p ngu\u1ed3n ki\u1ebfn th\u1ee9c m\u1edbi v\u00e0 ph\u01b0\u01a1ng ph\u00e1p hay trong l\u0129nh v\u1ef1c IT. B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c h\u1ecdc x\u00e2y d\u1ef1ng web t\u1eeb c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n cho \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao nh\u01b0 kh\u1ea3 n\u0103ng truy c\u1eadp, SEO, semantic HTML,&#8230; \u0110\u1ed3ng th\u1eddi, b\u1ea1n s\u1ebd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean chuy\u00ean s\u00e2u c\u1ee7a Google.<\/li>\n<li><strong>Mozilla Developer Networking<\/strong> (<strong><a href=\"https:\/\/developer.mozilla.org\/en-US\/\" target=\"_blank\" rel=\"noopener\">MDN<\/a><\/strong>) l\u00e0 m\u1ed9t t\u00e0i nguy\u00ean r\u1ed9ng l\u1edbn, c\u1eadp nh\u1eadt li\u00ean t\u1ee5c v\u1ec1 HTML, CSS hay JavaScript, ph\u00f9 h\u1ee3p cho developer m\u1edbi b\u1eaft \u0111\u1ea7u hay \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m. N\u1ed9i dung tr\u00ean MDN \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t, th\u00f4ng tin \u0111\u1ea7y \u0111\u1ee7 theo t\u1eebng ch\u1ee7 \u0111\u1ec1, nhi\u1ec1u b\u00e0i h\u1ecdc h\u1eefu \u00edch \u0111\u1ebfn cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_HTML\"><\/span><b> C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 HTML\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b> HTML c\u00f3 ph\u1ea3i l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00f4ng?\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">HTML c\u00f3 vai tr\u00f2 t\u1ea1o n\u00ean th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t trang web nh\u01b0ng <strong>HTML kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a HTML kh\u00f4ng th\u1ec3 t\u1ea1o ra c\u00e1c ch\u1ee9c n\u0103ng c\u00f3 t\u00ednh chuy\u1ec3n \u0111\u1ed9ng hay x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 c\u00f3 logic ph\u1ee9c t\u1ea1p nh\u01b0 th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n, ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n, x\u1eed l\u00fd d\u1eef li\u1ec7u,&#8230; cho m\u1ed9t trang web. C\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n, HTML ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 ph\u1ea7n m\u1ec1m Microsoft Word, d\u00f9ng \u0111\u1ec3 t\u1ea1o b\u1ed1 c\u1ee5c v\u00e0 \u0111\u1ecbnh d\u1ea1ng cho trang web. B\u00ean c\u1ea1nh \u0111\u00f3, thao t\u00e1c l\u00e0m vi\u1ec7c v\u1edbi HTML c\u0169ng kh\u00e1 \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac code g\u1ed3m tags v\u00e0 attributes \u0111\u1ec3 th\u1ef1c hi\u1ec7n thao t\u00e1c \u0111\u00e1nh d\u1ea5u trang web.<\/span><\/p>\n<h3><strong>HTML5 l\u00e0 g\u00ec?<\/strong><\/h3>\n<p>HTML5 l\u00e0 phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a HTML.<\/p>\n<p>HTML5 h\u1ed7 tr\u1ee3 c\u00e1c ch\u1ee9c n\u0103ng ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u m\u1edbi nh\u01b0 \u0111a ph\u01b0\u01a1ng ti\u1ec7n, th\u1ebb v\u00e0 ph\u1ea7n t\u1eed HTML m\u1edbi c\u0169ng nh\u01b0 API m\u1edbi. HTML5 c\u00f2n h\u1ed7 tr\u1ee3 \u00e2m thanh v\u00e0 video.<\/p>\n<h3><b>5 \u1ee9ng d\u1ee5ng<\/b> n\u1ed5i<b> b\u1eadt c\u1ee7a HTML\u00a0<\/b><\/h3>\n<ul>\n<li><b> Ph\u00e1t tri\u1ec3n trang web: <\/b><span style=\"font-weight: 400;\">HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u1ea5u tr\u00fac cho trang web. M\u1ed7i trang ch\u1ee9a m\u1ed9t b\u1ed9 th\u1ebb HTML kh\u00e1c nhau c\u00f3 ch\u1ee9a si\u00eau li\u00ean k\u1ebft v\u1edbi c\u00e1c trang kh\u00e1c. HTML kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n trang web m\u00e0 c\u00f2n t\u1ea1o t\u00e0i li\u1ec7u cho web v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng Internet hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"><strong>C\u1ea5u tr\u00fac email:<\/strong> HTML s\u1ebd l\u00e0 m\u00e3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac v\u00e0 n\u1ed9i dung email, cho ph\u00e9p b\u1ea1n th\u00eam c\u00e1c h\u00ecnh \u1ea3nh, li\u00ean k\u1ebft hay \u0111\u1ecbnh d\u1ea1ng email theo phong c\u00e1ch ri\u00eang. \u0110\u1eb7c bi\u1ec7t, email template HTML c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n cho t\u1ea5t c\u1ea3 c\u00e1c chi\u1ebfn d\u1ecbch Email Marketing v\u00e0 \u0111\u00e2y c\u0169ng l\u00e0 ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t khi \u1ee9ng d\u1ee5ng HTML trong Gmail.<\/span><\/li>\n<li><b> L\u01b0u tr\u1eef d\u1eef li\u1ec7u tr\u00ean tr\u00ecnh duy\u1ec7t: <\/b><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc \u0111\u00e2y, l\u01b0u tr\u1eef d\u1eef li\u1ec7u tr\u00ean tr\u00ecnh duy\u1ec7t th\u01b0\u1eddng qua hai c\u00e1ch l\u00e0 <a href=\"https:\/\/itviec.com\/blog\/cookies-la-gi\/\" target=\"_blank\" rel=\"noopener\">cookies<\/a> v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Hi\u1ec7n t\u1ea1i, s\u1ef1 n\u00e2ng c\u1ea5p c\u1ee7a HTML5 v\u1edbi hai t\u00ednh n\u0103ng l\u01b0u tr\u1eef l\u00e0 LocalStorage v\u00e0 IndexDB \u0111\u00e3 gi\u00fap cho vi\u1ec7c l\u01b0u tr\u1eef \u1ee9ng d\u1ee5ng d\u1ec5 d\u00e0ng h\u01a1n. \u0110\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c t\u00ednh n\u0103ng n\u00e0y \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t.<\/span><\/li>\n<li><b> H\u1ed7 tr\u1ee3 nh\u1eadp d\u1eef li\u1ec7u: <\/b><span style=\"font-weight: 400;\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n c\u1ee7a HTML5 v\u00e0 API \u0111\u1ec3 h\u1ed7 tr\u1ee3 nh\u1eadp d\u1eef li\u1ec7u cho c\u00f4ng vi\u1ec7c. V\u1edbi c\u00e1c t\u00ednh n\u0103ng m\u1edbi c\u1ee7a HTML5 nh\u01b0 b\u1ed5 sung c\u00e1c lo\u1ea1i m\u1edbi trong nh\u00f3m th\u1ebb thu th\u1eadp bi\u1ec3u m\u1eabu, gi\u00fap vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. HTML5 \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh m\u1edbi nh\u01b0 b\u00e0n ph\u00edm \u1ea3o v\u00e0 t\u00ednh x\u00e1c th\u1ef1c gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u1eadp d\u1eef li\u1ec7u t\u1ed1t h\u01a1n.<\/span><\/li>\n<li><b> Ph\u00e1t tri\u1ec3n Game: <\/b><span style=\"font-weight: 400;\">V\u1edbi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa HTML5, CSS3 v\u00e0 JavaScript t\u1ed1c \u0111\u1ed9 nh\u1eb9 s\u1ebd \u0111em \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ph\u00e1t tri\u1ec3n m\u1ed9t t\u1ef1a game ho\u00e0n ch\u1ec9nh. B\u1ea1n kh\u00f4ng c\u1ea7n tri\u1ec3n khai h\u1ebft m\u1ecdi t\u00ednh n\u0103ng c\u1ee7a API nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 mang l\u1ea1i kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n tr\u00f2 ch\u01a1i.\u00a0<\/span><\/li>\n<li><b> L\u00e0m website phong ph\u00fa h\u01a1n: <\/b><span style=\"font-weight: 400;\">M\u1ed9t b\u1ed9 API m\u1edbi v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng n\u1ed5i tr\u1ed9i nh\u01b0 k\u00e9o v\u00e0 th\u1ea3, x\u1eed l\u00fd d\u1eef li\u1ec7u, l\u01b0u tr\u1eef tr\u00ean tr\u00ecnh duy\u1ec7t,&#8230; \u0111\u00e3 gi\u00fap cho vi\u1ec7c s\u1eed d\u1ee5ng HTML5 \u0111\u1ec3 l\u00e0m trang web tr\u1edf n\u00ean phong ph\u00fa h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng tr\u1ea3i nghi\u1ec7m cho trang web b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c API kh\u00e1c nh\u01b0 Fullscreen, Visibility v\u00e0 Media Capture.<\/span><\/li>\n<\/ul>\n<h3><b>Nh\u1eefng v\u1ecb tr\u00ed IT n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng HTML?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">V\u1edbi n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c v\u1ec1 HTML ho\u1eb7c CSS, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c v\u1ecb tr\u00ed Freelancer (x\u00e2y d\u1ef1ng landing page, website t\u0129nh), Junior Developer, Software Engineer, Entry-Level Front End Developer,&#8230; Tuy nhi\u00ean, \u0111\u1ec3 t\u0103ng th\u00eam c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m th\u00ec b\u1ea1n c\u00f3 th\u1ec3 n\u00e2ng cao k\u1ef9 n\u0103ng c\u1ee7a b\u1ea3n th\u00e2n v\u00e0 trau d\u1ed3i th\u00eam v\u1ec1 JavaScript, Framework JavaScript, GitHub, n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c Backend c\u00f9ng Database trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c nh\u00e9!<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_HTML_la_gi\"><\/span><b>T\u1ed5ng k\u1ebft HTML l\u00e0 g\u00ec<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Nh\u01b0 v\u1eady, b\u00e0i vi\u1ebft \u0111\u00e3 gi\u1edbi thi\u1ec7u \u0111\u1ebfn b\u1ea1n m\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n, \u0111\u1ecbnh ngh\u0129a v\u1ec1 HTML l\u00e0 g\u00ec c\u0169ng nh\u01b0 c\u00e1ch \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n s\u1ebd gi\u00fap b\u1ea1n c\u00f3 g\u00f3c nh\u00ecn to\u00e0n di\u1ec7n h\u01a1n v\u1ec1 l\u1eadp tr\u00ecnh front-end c\u0169ng nh\u01b0 c\u01a1 h\u1ed9i t\u00ecm hi\u1ec3u v\u1ec1 HTML \u1edf nhi\u1ec1u m\u1ee9c \u0111\u1ed9 cao c\u1ea5p h\u01a1n. Khi nhu c\u1ea7u tuy\u1ec3n d\u1ee5ng ng\u00e0y c\u00e0ng cao, hi\u1ec3u bi\u1ebft v\u1ec1 HTML s\u1ebd l\u00e0 m\u1ed9t l\u1ef1a an to\u00e0n v\u00e0 \u0111em l\u1ea1i c\u01a1 h\u1ed9i \u1ee9ng tuy\u1ec3n v\u1ecb tr\u00ed l\u1eadp tr\u00ecnh vi\u00ean v\u1edbi m\u1ee9c l\u01b0\u01a1ng h\u1ea5p d\u1eabn. \u0110\u1eebng qu\u00ean theo d\u00f5i ITviec \u0111\u1ec3 \u0111\u00f3n \u0111\u1ecdc c\u00e1c b\u00e0i vi\u1ebft chuy\u00ean m\u00f4n v\u1ec1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh h\u1ea5p d\u1eabn nh\u00e9!<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">Tham kh\u1ea3o <\/span><a href=\"https:\/\/itviec.com\/it-jobs\/front-end?utm_campaign=daily&amp;utm_medium=anchor_text&amp;utm_source=blog_16082023&amp;job_selected=senior-front-end-developer-reactjs-vuejs-silicon-stack-5607\"><span style=\"font-weight: 400;\">Vi\u1ec7c l\u00e0m Front-end<\/span><\/a><span style=\"font-weight: 400;\"> h\u1ea5p d\u1eabn tr\u00ean ITviec!<\/span><\/p><\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" class=\"sp-no-webp wp-image-5668 aligncenter sp-no-webp entered lazyloaded\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" alt=\"robby-2\" width=\"300\" height=\"300\" data-lazy-src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png\" data-lazy-sizes=\"(max-width: 300px) 100vw, 300px\" data-lazy-srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-200x200.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2015\/07\/Robby2-60x60.png 60w\" data-ll-status=\"loaded\" \/><\/figure>\n<\/div>\n<p id=\"block-bdf220a1-3635-4794-9101-81d879939b92\" class=\"has-text-align-center\" style=\"text-align: center;\"><strong>B\u1ea1n th\u1ea5y b\u00e0i vi\u1ebft hay v\u00e0 h\u1eefu \u00edch? \u0110\u1eebng ng\u1ea1i Share v\u1edbi b\u1ea1n b\u00e8 v\u00e0 \u0111\u1ed3ng nghi\u1ec7p nh\u00e9.<\/strong><\/p>\n<p id=\"block-a1315aab-406f-48df-97fc-6b9584e6e134\" class=\"has-text-align-center\" style=\"text-align: center;\"><strong>V\u00e0 nhanh tay tham kh\u1ea3o\u00a0<a href=\"http:\/\/itviec.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m IT<\/a>\u00a0\u201cch\u1ea5t\u201d tr\u00ean ITviec<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTML l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n m\u00e0 b\u1ea5t k\u1ef3 developer n\u00e0o c\u0169ng c\u1ea7n n\u1eafm v\u1eefng. \u0110\u1ed3ng th\u1eddi HTML c\u00f2n l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n kh\u00f4ng th\u1ec3 thi\u1ebfu gi\u00fap b\u1ea1n s\u00e1ng t\u1ea1o v\u00e0 v\u1eadn h\u00e0nh m\u1ed9t trang web ho\u00e0n ch\u1ec9nh. V\u1eady HTML l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng [&hellip;]<\/p>\n","protected":false},"author":207,"featured_media":64246,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-63979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>HTML: T\u1ed5ng quan ki\u1ebfn th\u1ee9c HTML v\u00e0 c\u00e1ch code v\u1edbi HTML - ITviec Blog<\/title>\n<meta name=\"description\" content=\"HTML l\u00e0 ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n m\u00e0 developer n\u00e0o c\u0169ng c\u1ea7n n\u1eafm v\u1eefng \u0111\u1ec3 s\u00e1ng t\u1ea1o v\u00e0 v\u1eadn h\u00e0nh m\u1ed9t trang web. 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