{"id":477526,"date":"2023-08-09T09:16:12","date_gmt":"2023-08-09T09:16:12","guid":{"rendered":""},"modified":"2023-09-05T11:14:52","modified_gmt":"2023-09-05T11:14:52","slug":"hypertext-markup-language-html","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/hypertext-markup-language-html\/","title":{"rendered":"Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML)"},"content":{"rendered":"

Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 HTML, l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o v\u00e0 c\u1ea5u tr\u00fac c\u00e1c trang web. N\u00f3 t\u1ea1o th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a World Wide Web, cho ph\u00e9p c\u00e1c tr\u00ecnh duy\u1ec7t web di\u1ec5n gi\u1ea3i v\u00e0 hi\u1ec3n th\u1ecb v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, video v\u00e0 c\u00e1c n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c tr\u00ean c\u00e1c trang web. HTML \u0111\u00f3ng vai tr\u00f2 l\u00e0 ng\u00f4n ng\u1eef c\u01a1 b\u1ea3n \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac v\u00e0 b\u1ed1 c\u1ee5c c\u1ee7a trang web, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 n\u1ed9i dung tr\u1ef1c tuy\u1ebfn.<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML) v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m si\u00eau v\u0103n b\u1ea3n, m\u1ed9t h\u1ec7 th\u1ed1ng truy xu\u1ea5t th\u00f4ng tin phi tuy\u1ebfn t\u00ednh, \u0111\u01b0\u1ee3c Vannevar Bush, m\u1ed9t k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc c\u00f3 t\u1ea7m nh\u00ecn xa \u0111\u01b0a ra v\u00e0o nh\u1eefng n\u0103m 1940. Tuy nhi\u00ean, ph\u1ea3i \u0111\u1ebfn \u0111\u1ea7u nh\u1eefng n\u0103m 1990, HTML m\u1edbi ra \u0111\u1eddi nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a HTML l\u00e0 do Tim Berners-Lee, m\u1ed9t nh\u00e0 khoa h\u1ecdc m\u00e1y t\u00ednh ng\u01b0\u1eddi Anh, ng\u01b0\u1eddi \u0111\u00e3 h\u00ecnh dung ra c\u00e1ch chia s\u1ebb t\u00e0i li\u1ec7u gi\u1eefa c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i CERN, m\u1ed9t t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u ch\u00e2u \u00c2u.<\/p>\n

N\u0103m 1991, Tim Berners-Lee xu\u1ea5t b\u1ea3n trang web \u0111\u1ea7u ti\u00ean c\u00f3 m\u1ed9t t\u00e0i li\u1ec7u HTML \u0111\u01a1n gi\u1ea3n. \u00d4ng c\u0169ng gi\u1edbi thi\u1ec7u tr\u00ecnh duy\u1ec7t web v\u00e0 m\u00e1y ch\u1ee7 web \u0111\u1ea7u ti\u00ean, t\u1eeb \u0111\u00f3 \u0111\u1eb7t n\u1ec1n m\u00f3ng cho World Wide Web. HTML \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn \u0111\u00e1ng k\u1ec3 v\u1edbi vi\u1ec7c ph\u00e1t h\u00e0nh tr\u00ecnh duy\u1ec7t web Kh\u1ea3m v\u00e0o n\u0103m 1993, gi\u00fap nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng h\u01a1n c\u00f3 th\u1ec3 truy c\u1eadp Internet.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML)<\/h2>\n

HTML l\u00e0 ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng th\u1ebb \u0111\u1ec3 c\u1ea5u tr\u00fac n\u1ed9i dung tr\u00ean trang web. C\u00e1c th\u1ebb n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn cho tr\u00ecnh duy\u1ec7t web v\u1ec1 c\u00e1ch hi\u1ec3n th\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a trang web, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u00eau \u0111\u1ec1, \u0111o\u1ea1n v\u0103n, h\u00ecnh \u1ea3nh, li\u00ean k\u1ebft v\u00e0 n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n. Phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a HTML l\u00e0 HTML5, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 r\u1ed9ng r\u00e3i b\u1edfi c\u00e1c tr\u00ecnh duy\u1ec7t web hi\u1ec7n \u0111\u1ea1i.<\/p>\n

C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a HTML bao g\u1ed3m:<\/p>\n

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    C\u00e1c ph\u1ea7n t\u1eed v\u00e0 th\u1ebb<\/strong>: T\u00e0i li\u1ec7u HTML bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng c\u00e1c th\u1ebb. Th\u1ebb \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c nh\u1ecdn (< >) v\u00e0 th\u01b0\u1eddng \u0111i theo c\u1eb7p, c\u00f3 th\u1ebb m\u1edf v\u00e0 th\u1ebb \u0111\u00f3ng. N\u1ed9i dung gi\u1eefa th\u1ebb m\u1edf v\u00e0 th\u1ebb \u0111\u00f3ng x\u00e1c \u0111\u1ecbnh ph\u1ea7n t\u1eed.<\/p>\n<\/li>\n

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    Y\u1ebfu t\u1ed1 ng\u1eef ngh\u0129a<\/strong>: HTML5 \u0111\u00e3 gi\u1edbi thi\u1ec7u m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 ng\u1eef ngh\u0129a mang l\u1ea1i nhi\u1ec1u \u00fd ngh\u0129a v\u00e0 c\u1ea5u tr\u00fac h\u01a1n cho n\u1ed9i dung. V\u00ed d\u1ee5 v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 ng\u1eef ngh\u0129a bao g\u1ed3m <header><\/code>, <nav><\/code>, <main><\/code>, <article><\/code>, <section><\/code>, V\u00e0 <footer><\/code>. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp v\u00e0 gi\u00fap c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u n\u1ed9i dung t\u1ed1t h\u01a1n.<\/p>\n<\/li>\n

  3. \n

    Thu\u1ed9c t\u00ednh<\/strong>: Ph\u1ea7n t\u1eed HTML c\u00f3 th\u1ec3 c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh cung c\u1ea5p th\u00f4ng tin b\u1ed5 sung ho\u1eb7c s\u1eeda \u0111\u1ed5i h\u00e0nh vi c\u1ee7a ph\u1ea7n t\u1eed. C\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong th\u1ebb m\u1edf c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed.<\/p>\n<\/li>\n

  4. \n

    Si\u00eau li\u00ean k\u1ebft<\/strong>: HTML cho ph\u00e9p t\u1ea1o c\u00e1c si\u00eau li\u00ean k\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <a><\/code> (neo) ph\u1ea7n t\u1eed. Si\u00eau li\u00ean k\u1ebft cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u h\u01b0\u1edbng gi\u1eefa c\u00e1c trang web ho\u1eb7c t\u00e0i nguy\u00ean kh\u00e1c nhau.<\/p>\n<\/li>\n

  5. \n

    H\u00ecnh \u1ea3nh v\u00e0 \u0110a ph\u01b0\u01a1ng ti\u1ec7n<\/strong>: HTML h\u1ed7 tr\u1ee3 nh\u00fang h\u00ecnh \u1ea3nh, video v\u00e0 \u00e2m thanh b\u1eb1ng c\u00e1c ph\u1ea7n t\u1eed th\u00edch h\u1ee3p nh\u01b0 <img><\/code>, <video><\/code>, V\u00e0 <audio><\/code>.<\/p>\n<\/li>\n

  6. \n

    C\u00e1c h\u00ecnh th\u1ee9c<\/strong>: HTML cung c\u1ea5p c\u00e1c ph\u1ea7n t\u1eed bi\u1ec3u m\u1eabu, ch\u1eb3ng h\u1ea1n nh\u01b0 <form><\/code>, <input><\/code>, <select><\/code>, V\u00e0 <button><\/code>, \u0111\u1ec3 t\u1ea1o c\u00e1c bi\u1ec3u m\u1eabu web t\u01b0\u01a1ng t\u00e1c cho ng\u01b0\u1eddi d\u00f9ng nh\u1eadp d\u1eef li\u1ec7u v\u00e0 g\u1eedi d\u1eef li\u1ec7u.<\/p>\n<\/li>\n

  7. \n

    Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: HTML \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c, ngh\u0129a l\u00e0 c\u00e1c tr\u00ecnh duy\u1ec7t web c\u0169 h\u01a1n v\u1eabn c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c phi\u00ean b\u1ea3n HTML m\u1edbi h\u01a1n, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng m\u1edbi nh\u1ea5t.<\/p>\n<\/li>\n<\/ol>\n

    C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML) v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3<\/h2>\n

    C\u00e1c t\u00e0i li\u1ec7u HTML tu\u00e2n theo c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 M\u00f4 h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng t\u00e0i li\u1ec7u (DOM). DOM bi\u1ec3u th\u1ecb trang web d\u01b0\u1edbi d\u1ea1ng c\u1ea5u tr\u00fac c\u00e1c ph\u1ea7n t\u1eed d\u1ea1ng c\u00e2y, v\u1edbi <html><\/code> ph\u1ea7n t\u1eed l\u00e0m g\u1ed1c c\u1ee7a c\u00e2y. M\u1ed7i ph\u1ea7n t\u1eed trong c\u00e2y l\u00e0 m\u1ed9t n\u00fat v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed x\u00e1c \u0111\u1ecbnh b\u1ed1 c\u1ee5c c\u1ee7a trang.<\/p>\n

    Khi m\u1ed9t trang web \u0111\u01b0\u1ee3c t\u1ea3i trong tr\u00ecnh duy\u1ec7t, c\u00f4ng c\u1ee5 hi\u1ec3n th\u1ecb c\u1ee7a tr\u00ecnh duy\u1ec7t s\u1ebd x\u1eed l\u00fd m\u00e3 HTML v\u00e0 x\u00e2y d\u1ef1ng DOM. Khi DOM \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, tr\u00ecnh duy\u1ec7t s\u1ebd di\u1ec5n gi\u1ea3i c\u00e1c th\u1ebb HTML v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ki\u1ec3u v\u00e0 quy t\u1eafc b\u1ed1 c\u1ee5c t\u01b0\u01a1ng \u1ee9ng, d\u1eabn \u0111\u1ebfn h\u00ecnh \u1ea3nh tr\u1ef1c quan c\u1ee7a trang web m\u00e0 ng\u01b0\u1eddi d\u00f9ng nh\u00ecn th\u1ea5y.<\/p>\n

    Qu\u00e1 tr\u00ecnh k\u1ebft xu\u1ea5t bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

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      Ph\u00e2n t\u00edch c\u00fa ph\u00e1p<\/strong>: Tr\u00ecnh duy\u1ec7t \u0111\u1ecdc m\u00e3 HTML v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh c\u00e2y DOM, nh\u1eadn d\u1ea1ng c\u00e1c ph\u1ea7n t\u1eed v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n

    2. \n

      K\u1ebft xu\u1ea5t<\/strong>: Tr\u00ecnh duy\u1ec7t x\u00e1c \u0111\u1ecbnh b\u1ed1 c\u1ee5c c\u1ee7a t\u1eebng th\u00e0nh ph\u1ea7n d\u1ef1a tr\u00ean c\u00e1c ki\u1ec3u (CSS) \u0111\u01b0\u1ee3c li\u00ean k\u1ebft c\u1ee7a n\u00f3 v\u00e0 t\u00ednh to\u00e1n v\u1ecb tr\u00ed c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean trang.<\/p>\n<\/li>\n

    3. \n

      B\u1ee9c v\u1ebd<\/strong>: Tr\u00ecnh duy\u1ec7t hi\u1ec3n th\u1ecb trang web cu\u1ed1i c\u00f9ng b\u1eb1ng c\u00e1ch v\u1ebd t\u1eebng th\u00e0nh ph\u1ea7n tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n<\/ol>\n

      \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 trong khi HTML x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac v\u00e0 n\u1ed9i dung c\u1ee7a trang web, Cascading Style Sheets (CSS) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t c\u00e1ch tr\u00ecnh b\u00e0y v\u00e0 b\u1ed1 c\u1ee5c, trong khi JavaScript cho ph\u00e9p t\u01b0\u01a1ng t\u00e1c v\u00e0 h\u00e0nh vi \u0111\u1ed9ng.<\/p>\n

      Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML)<\/h2>\n

      C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a HTML khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh ng\u00f4n ng\u1eef thi\u1ebft y\u1ebfu \u0111\u1ec3 ph\u00e1t tri\u1ec3n web, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng v\u00e0 tr\u00ecnh duy\u1ec7t kh\u00e1c nhau. M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng quan tr\u1ecdng bao g\u1ed3m:<\/p>\n

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        C\u00e1c nguy\u00ean t\u1ed1 c\u1ea5u tr\u00fac<\/strong>: HTML cung c\u1ea5p m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac ti\u00eau chu\u1ea9n, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u00eau \u0111\u1ec1, \u0111o\u1ea1n v\u0103n, danh s\u00e1ch v\u00e0 b\u1ea3ng, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1eafp x\u1ebfp n\u1ed9i dung m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd v\u00e0 tr\u1ef1c quan.<\/p>\n<\/li>\n

      2. \n

        Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/strong>: HTML5 \u0111\u00e3 gi\u1edbi thi\u1ec7u c\u00e1c y\u1ebfu t\u1ed1 ng\u1eef ngh\u0129a h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng c\u00e1c trang web c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c. Nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0y gi\u00fap tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 kh\u00e1c hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac n\u1ed9i dung, gi\u00fap trang web tr\u1edf n\u00ean to\u00e0n di\u1ec7n h\u01a1n.<\/p>\n<\/li>\n

      3. \n

        Si\u00eau li\u00ean k\u1ebft v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng<\/strong>: Kh\u1ea3 n\u0103ng t\u1ea1o si\u00eau li\u00ean k\u1ebft cho ph\u00e9p \u0111i\u1ec1u h\u01b0\u1edbng li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c trang web v\u00e0 t\u00e0i nguy\u00ean, t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a World Wide Web \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau.<\/p>\n<\/li>\n

      4. \n

        T\u00edch h\u1ee3p ph\u01b0\u01a1ng ti\u1ec7n<\/strong>: HTML cho ph\u00e9p t\u00edch h\u1ee3p nhi\u1ec1u y\u1ebfu t\u1ed1 \u0111a ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c nhau, bao g\u1ed3m h\u00ecnh \u1ea3nh, video v\u00e0 \u00e2m thanh, l\u00e0m phong ph\u00fa th\u00eam tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

      5. \n

        X\u1eed l\u00fd bi\u1ec3u m\u1eabu<\/strong>: C\u00e1c ph\u1ea7n t\u1eed bi\u1ec3u m\u1eabu c\u1ee7a HTML cho ph\u00e9p t\u1ea1o c\u00e1c bi\u1ec3u m\u1eabu t\u01b0\u01a1ng t\u00e1c, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng nh\u1eadp d\u1eef li\u1ec7u v\u00e0 g\u1eedi d\u1eef li\u1ec7u, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u1ea3o s\u00e1t, \u0111\u0103ng k\u00fd v\u00e0 \u0111\u0103ng nh\u1eadp tr\u1ef1c tuy\u1ebfn.<\/p>\n<\/li>\n

      6. \n

        Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<\/strong>: Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c c\u1ee7a HTML \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c trang web c\u0169 h\u01a1n ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t web m\u1edbi h\u01a1n, mang l\u1ea1i s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 h\u1ed7 tr\u1ee3 l\u00e2u d\u00e0i.<\/p>\n<\/li>\n<\/ol>\n

        C\u00e1c lo\u1ea1i ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML)<\/h2>\n

        HTML \u0111\u00e3 ph\u00e1t tri\u1ec3n theo th\u1eddi gian v\u00e0 c\u00e1c phi\u00ean b\u1ea3n kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh \u0111\u1ec3 c\u1ea3i thi\u1ec7n v\u00e0 m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n HTML \u0111\u00e1ng ch\u00fa \u00fd:<\/p>\n\n\n\n\n\n\n\n\n\n\n
        Phi\u00ean b\u1ea3n HTML<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\nN\u0103m ph\u00e1t h\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n
        HTML<\/td>\nPhi\u00ean b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a HTML.<\/td>\n1993<\/td>\n<\/tr>\n
        HTML 2.0<\/td>\nGi\u1edbi thi\u1ec7u h\u1ed7 tr\u1ee3 cho b\u1ea3ng v\u00e0 bi\u1ec3u m\u1eabu.<\/td>\n1995<\/td>\n<\/tr>\n
        HTML 3.2<\/td>\nC\u1ea3i thi\u1ec7n h\u1ed7 tr\u1ee3 cho CSS v\u00e0 t\u1eadp l\u1ec7nh.<\/td>\n1997<\/td>\n<\/tr>\n
        HTML 4.01<\/td>\nGi\u1edbi thi\u1ec7u ti\u00eau chu\u1ea9n h\u00f3a ch\u1eb7t ch\u1ebd h\u01a1n.<\/td>\n1999<\/td>\n<\/tr>\n
        XHTML<\/td>\nM\u1ed9t phi\u00ean b\u1ea3n HTML d\u1ef1a tr\u00ean XML.<\/td>\n2000<\/td>\n<\/tr>\n
        HTML5<\/td>\nPhi\u00ean b\u1ea3n hi\u1ec7n t\u1ea1i v\u1edbi c\u00e1c t\u00ednh n\u0103ng v\u00e0 API m\u1edbi.<\/td>\n2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML), c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n

        HTML ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e1t tri\u1ec3n web \u0111\u1ec3 t\u1ea1o c\u00e1c trang web t\u0129nh v\u00e0 \u1ee9ng d\u1ee5ng web \u0111\u1ed9ng. M\u1ed9t s\u1ed1 c\u00e1ch ph\u1ed5 bi\u1ebfn HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m:<\/p>\n

          \n
        1. \n

          Ph\u00e1t tri\u1ec3n trang web<\/strong>: HTML h\u00ecnh th\u00e0nh c\u1ea5u tr\u00fac c\u1ee7a trang web, x\u00e1c \u0111\u1ecbnh b\u1ed1 c\u1ee5c, n\u1ed9i dung v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111a ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n<\/li>\n

        2. \n

          Thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng<\/strong>: HTML r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o c\u00e1c trang web ph\u1ea3n h\u1ed3i th\u00edch \u1ee9ng v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh v\u00e0 thi\u1ebft b\u1ecb kh\u00e1c nhau.<\/p>\n<\/li>\n

        3. \n

          m\u1eabu th\u01b0 \u0111i\u1ec7n t\u1eed<\/strong>: HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c m\u1eabu email h\u1ea5p d\u1eabn v\u00e0 ph\u1ea3n h\u1ed3i tr\u1ef1c quan.<\/p>\n<\/li>\n

        4. \n

          Bi\u1ec3u m\u1eabu web<\/strong>: C\u00e1c ph\u1ea7n t\u1eed bi\u1ec3u m\u1eabu c\u1ee7a HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u00e1c bi\u1ec3u m\u1eabu t\u01b0\u01a1ng t\u00e1c v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 nh\u1eadp v\u00e0 g\u1eedi d\u1eef li\u1ec7u.<\/p>\n<\/li>\n

        5. \n

          T\u00e0i li\u1ec7u tr\u1ef1c tuy\u1ebfn<\/strong>: HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o t\u00e0i li\u1ec7u tr\u1ef1c tuy\u1ebfn v\u00e0 c\u01a1 s\u1edf ki\u1ebfn th\u1ee9c.<\/p>\n<\/li>\n<\/ol>\n

          Tuy nhi\u00ean, m\u1eb7c d\u00f9 HTML l\u00e0 ng\u00f4n ng\u1eef linh ho\u1ea1t nh\u01b0ng c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c, bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch tr\u00ean nhi\u1ec1u tr\u00ecnh duy\u1ec7t<\/strong>: C\u00e1c tr\u00ecnh duy\u1ec7t web kh\u00e1c nhau c\u00f3 th\u1ec3 di\u1ec5n gi\u1ea3i HTML v\u00e0 CSS kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n trong k\u1ebft xu\u1ea5t trang. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c khung CSS hi\u1ec7n \u0111\u1ea1i v\u00e0 th\u1eed nghi\u1ec7m tr\u00ean nhi\u1ec1u tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n

          2. \n

            Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/strong>: Vi\u1ec7c \u0111\u1ea3m b\u1ea3o ng\u01b0\u1eddi d\u00f9ng khuy\u1ebft t\u1eadt c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c trang web c\u00f3 th\u1ec3 c\u1ea7n th\u00eam n\u1ed7 l\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00eam c\u00e1c thu\u1ed9c t\u00ednh ARIA (\u1ee8ng d\u1ee5ng Internet phong ph\u00fa c\u00f3 th\u1ec3 truy c\u1eadp) th\u00edch h\u1ee3p v\u00e0 th\u1eed nghi\u1ec7m b\u1eb1ng tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh.<\/p>\n<\/li>\n

          3. \n

            L\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam nhi\u1ec5m HTML v\u00e0 c\u00e1c l\u1ed7 h\u1ed5ng k\u1ecbch b\u1ea3n ch\u00e9o trang (XSS) c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ea3o m\u1eadt trang web. Vi\u1ec7c tri\u1ec3n khai x\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o ph\u00f9 h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng r\u1ee7i ro n\u00e0y.<\/p>\n<\/li>\n

          4. \n

            L\u1ed7i x\u00e1c th\u1ef1c<\/strong>: HTML c\u00f3 c\u1ea5u tr\u00fac kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i x\u00e1c th\u1ef1c, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a trang web v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. Ki\u1ec3m tra x\u00e1c th\u1ef1c th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n

            D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 so s\u00e1nh gi\u1eefa HTML v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 web t\u01b0\u01a1ng t\u1ef1:<\/p>\n\n\n\n\n\n\n\n\n\n
            Di\u1ec7n m\u1ea1o<\/th>\nHTML<\/th>\nCSS (B\u1ea3ng ki\u1ec3u x\u1ebfp t\u1ea7ng)<\/th>\nJavaScript<\/th>\n<\/tr>\n<\/thead>\n
            M\u1ee5c \u0111\u00edch<\/td>\nX\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac trang web<\/td>\n\u0110i\u1ec1u khi\u1ec3n b\u1ea3n tr\u00ecnh b\u00e0y<\/td>\nCho ph\u00e9p t\u01b0\u01a1ng t\u00e1c<\/td>\n<\/tr>\n
            Lo\u1ea1i ng\u00f4n ng\u1eef<\/td>\nNg\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u<\/td>\nNg\u00f4n ng\u1eef bi\u1ec3u \u0111\u1ecbnh ki\u1ec3u<\/td>\nNg\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/td>\n<\/tr>\n
            C\u00e1ch s\u1eed d\u1ee5ng<\/td>\nC\u1ea5u tr\u00fac v\u00e0 n\u1ed9i dung trang<\/td>\nB\u1ed1 c\u1ee5c v\u00e0 di\u1ec7n m\u1ea1o trang<\/td>\nH\u00e0nh vi trang web \u0111\u1ed9ng<\/td>\n<\/tr>\n
            H\u1ed7 tr\u1ee3 trong tr\u00ecnh duy\u1ec7t<\/td>\n\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t web<\/td>\n\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t web<\/td>\n\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t<\/td>\n<\/tr>\n
            T\u01b0\u01a1ng t\u00e1c v\u1edbi HTML<\/td>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi CSS<\/td>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ki\u1ec3u cho c\u00e1c ph\u1ea7n t\u1eed HTML<\/td>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thao t\u00e1c DOM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML)<\/h2>\n

            HTML ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e1t tri\u1ec3n web hi\u1ec7n \u0111\u1ea1i v\u00e0 mong \u0111\u1ee3i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn HTML bao g\u1ed3m:<\/p>\n

              \n
            1. \n

              Th\u00e0nh ph\u1ea7n web<\/strong>: Th\u00e0nh ph\u1ea7n Web l\u00e0 m\u1ed9t b\u1ed9 ti\u00eau chu\u1ea9n cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ea1o c\u00e1c ph\u1ea7n t\u1eed HTML t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i v\u00e0 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y th\u00fac \u0111\u1ea9y t\u00ednh m\u00f4-\u0111un v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c ph\u00e1t tri\u1ec3n web.<\/p>\n<\/li>\n

            2. \n

              Web ng\u1eef ngh\u0129a<\/strong>: Web ng\u1eef ngh\u0129a nh\u1eb1m m\u1ee5c \u0111\u00edch l\u00e0m cho n\u1ed9i dung web d\u1ec5 \u0111\u1ecdc h\u01a1n b\u1eb1ng m\u00e1y, cho ph\u00e9p hi\u1ec3u v\u00e0 t\u00edch h\u1ee3p d\u1eef li\u1ec7u t\u1ed1t h\u01a1n tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<\/li>\n

            3. \n

              Th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng (AR) v\u00e0 th\u1ef1c t\u1ebf \u1ea3o (VR)<\/strong>: HTML c\u00f3 th\u1ec3 s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t tri\u1ec3n tr\u1ea3i nghi\u1ec7m AR v\u00e0 VR tr\u00ean web.<\/p>\n<\/li>\n

            4. \n

              WebAssembly<\/strong>: WebAssembly cho ph\u00e9p ch\u1ea1y m\u00e3 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c ngo\u00e0i JavaScript tr\u1ef1c ti\u1ebfp tr\u00ean tr\u00ecnh duy\u1ec7t web, n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi cho c\u00e1c \u1ee9ng d\u1ee5ng web.<\/p>\n<\/li>\n<\/ol>\n

              C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML)<\/h2>\n

              M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch (ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00ecnh duy\u1ec7t web) v\u00e0 m\u00e1y ch\u1ee7 web. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi HTML theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n

                \n
              1. \n

                B\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 t\u0103ng t\u1ed1c<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u01b0u tr\u1eef HTML v\u00e0 n\u1ed9i dung web kh\u00e1c, gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 web v\u00e0 t\u0103ng t\u1ed1c th\u1eddi gian t\u1ea3i trang cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

              2. \n

                \u1ea8n danh v\u00e0 quy\u1ec1n ri\u00eang t\u01b0<\/strong>: Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 truy c\u1eadp n\u1ed9i dung web m\u1ed9t c\u00e1ch \u1ea9n danh, v\u00ec m\u00e1y ch\u1ee7 \u0111\u00f3ng vai tr\u00f2 trung gian v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi m\u00e1y ch\u1ee7 m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n

              3. \n

                \u0110\u01b0\u1eddng v\u00f2ng \u0111\u1ecbnh v\u1ecb \u0111\u1ecba l\u00fd<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp n\u1ed9i dung b\u1ecb gi\u1edbi h\u1ea1n theo khu v\u1ef1c b\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ecd th\u00f4ng qua c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i c\u00e1c khu v\u1ef1c kh\u00e1c nhau.<\/p>\n<\/li>\n

              4. \n

                B\u1ea3o m\u1eadt v\u00e0 l\u1ecdc<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u1ecdc v\u00e0 ch\u1eb7n n\u1ed9i dung HTML \u0111\u1ed9c h\u1ea1i ho\u1eb7c kh\u00f4ng ph\u00f9 h\u1ee3p, cung c\u1ea5p th\u00eam l\u1edbp b\u1ea3o m\u1eadt cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<\/ol>\n

                Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

                \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u si\u00eau v\u0103n b\u1ea3n (HTML), b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

                  \n
                1. M\u1ea1ng l\u01b0\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n Mozilla (MDN) - Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 HTML<\/a><\/li>\n
                2. W3Schools \u2013 H\u01b0\u1edbng d\u1eabn HTML<\/a><\/li>\n
                3. HTML5 Rocks \u2013 T\u00e0i nguy\u00ean h\u1ecdc HTML5<\/a><\/li>\n
                4. WHATWG \u2013 M\u1ee9c s\u1ed1ng c\u1ee7a HTML<\/a><\/li>\n<\/ol>\n

                  V\u00ec HTML v\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a ph\u00e1t tri\u1ec3n web n\u00ean vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e2y d\u1ef1ng tr\u1ea3i nghi\u1ec7m web h\u1ea5p d\u1eabn v\u00e0 d\u1ec5 ti\u1ebfp c\u1eadn.<\/p>","protected":false},"featured_media":468587,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477526","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Hypertext Markup Language (HTML)<\/mark>","faq_items":[{"question":"What is Hypertext Markup Language (HTML)?<\/strong>","answer":"

                  Hypertext Markup Language (HTML) is a standardized system used for creating and structuring web pages. It is the fundamental language for constructing the layout and structure of web content, allowing web browsers to interpret and display text, images, videos, and multimedia elements on websites.<\/p>"},{"question":"Who invented HTML, and when was it first mentioned?<\/strong>","answer":"

                  HTML was invented by Tim Berners-Lee, a British computer scientist, and was first mentioned in 1991 when he published the world's first website. This groundbreaking event marked the beginning of the World Wide Web.<\/p>"},{"question":"How does HTML work and what is the internal structure of HTML?<\/strong>","answer":"

                  HTML works by using a system of tags to define the elements and structure of a web page. The internal structure of HTML follows the Document Object Model (DOM), representing the web page as a hierarchical tree of elements. Web browsers interpret these tags and construct the DOM, which is then used to render the web page on the screen.<\/p>"},{"question":"What are the key features of HTML?<\/strong>","answer":"

                  HTML offers several key features, including structural elements like headings, paragraphs, lists, and tables. It also introduced semantic elements in HTML5 for better accessibility and search engine optimization. HTML supports hyperlinks, multimedia integration, and form handling for user input and data submission.<\/p>"},{"question":"What are the different types of HTML versions?<\/strong>","answer":"

                  There have been several versions of HTML over the years. Notable versions include HTML 2.0, HTML 3.2, HTML 4.01, XHTML, and the current HTML5, which introduced new features and APIs.<\/p>"},{"question":"How can HTML be used, and what problems might arise?<\/strong>","answer":"

                  HTML is primarily used in web development to create static web pages and dynamic web applications. However, developers might encounter challenges such as cross-browser compatibility issues, security vulnerabilities, and validation errors. Proper testing and adherence to best practices can help address these problems.<\/p>"},{"question":"What are the future perspectives and technologies related to HTML?<\/strong>","answer":"

                  The future of HTML is expected to involve advancements in web components, semantic web technologies, augmented reality (AR), virtual reality (VR), and the wider adoption of WebAssembly for improved performance.<\/p>"},{"question":"How are proxy servers associated with HTML?<\/strong>","answer":"

                  Proxy servers can be used with HTML for various purposes, including caching and accelerating web content, enhancing anonymity and privacy for users, bypassing geolocation restrictions, and providing additional security and filtering measures.<\/p>"},{"question":"Where can I find more information about HTML?<\/strong>","answer":"

                  For more in-depth knowledge about HTML, you can visit reputable resources such as Mozilla Developer Network (MDN), W3Schools, HTML5 Rocks, and WHATWG. OneProxy also offers a comprehensive guide on HTML for an immersive learning experience.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477526\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468587"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}