{"id":8969,"date":"2023-09-15T17:35:16","date_gmt":"2023-09-15T09:35:16","guid":{"rendered":"\/?p=8969"},"modified":"2023-09-15T17:37:09","modified_gmt":"2023-09-15T09:37:09","slug":"html5%e7%ae%80%e8%bf%b0","status":"publish","type":"post","link":"\/?p=8969","title":{"rendered":"HTML5\u7b80\u8ff0"},"content":{"rendered":"

\u6982\u8ff0<\/h2>\n

HTML5\u662fHTML\uff08\u8d85\u6587\u672c\u6807\u8bb0\u8bed\u8a00\uff09\u7684\u7b2c\u4e94\u4e2a\u4e3b\u8981\u7248\u672c\u3002\u5b83\u662f\u7531\u4e07\u7ef4\u7f51\u8054\u76df\uff08W3C\uff09\u5236\u5b9a\u7684\u4e00\u5957\u6807\u51c6\uff0c\u65e8\u5728\u6539\u8fdb\u548c\u589e\u5f3aWeb\u9875\u9762\u7684\u529f\u80fd\u548c\u8868\u73b0\u3002<\/p>\n

HTML5\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u7279\u6027\u548cAPI\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u548c\u5f3a\u5927\u5730\u6784\u5efa\u7f51\u9875\u5e94\u7528\u3002\u4ee5\u4e0b\u662fHTML5\u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u6027\uff1a<\/p>\n

    \n
  1. \n

    \u8bed\u4e49\u5316\u6807\u7b7e\uff1aHTML5\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u6807\u7b7e\uff0c\u5982<header><\/code>\u3001<nav><\/code>\u3001<section><\/code>\u3001<article><\/code>\u7b49\uff0c\u7528\u4e8e\u66f4\u51c6\u786e\u5730\u63cf\u8ff0\u7f51\u9875\u7684\u7ed3\u6784\u548c\u5185\u5bb9\u3002<\/p>\n<\/li>\n

  2. \n

    \u591a\u5a92\u4f53\u652f\u6301\uff1aHTML5\u63d0\u4f9b\u4e86<video><\/code>\u548c<audio><\/code>\u6807\u7b7e\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u7f51\u9875\u4e2d\u76f4\u63a5\u5d4c\u5165\u89c6\u9891\u548c\u97f3\u9891\uff0c\u5e76\u901a\u8fc7JavaScript API\u63a7\u5236\u64ad\u653e\u548c\u4ea4\u4e92\u3002<\/p>\n<\/li>\n

  3. \n

    Canvas\u7ed8\u56fe\uff1aHTML5\u7684<canvas><\/code>\u5143\u7d20\u5141\u8bb8\u5f00\u53d1\u8005\u4f7f\u7528JavaScript\u5728\u7f51\u9875\u4e0a\u7ed8\u5236\u56fe\u5f62\u3001\u52a8\u753b\u548c\u6e38\u620f\u7b49\u4ea4\u4e92\u5f0f\u5185\u5bb9\u3002<\/p>\n<\/li>\n

  4. \n

    \u8868\u5355\u589e\u5f3a\uff1aHTML5\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u8868\u5355\u5143\u7d20\u548c\u5c5e\u6027\uff0c\u5982<input type="email"><\/code>\u3001<input type="date"><\/code>\u3001<input type="range"><\/code>\u7b49\uff0c\u4f7f\u5f97\u8868\u5355\u5904\u7406\u66f4\u52a0\u4fbf\u6377\u548c\u8bed\u4e49\u5316\u3002<\/p>\n<\/li>\n

  5. \n

    \u672c\u5730\u5b58\u50a8\uff1aHTML5\u63d0\u4f9b\u4e86\u672c\u5730\u5b58\u50a8\u529f\u80fd\uff0c\u5305\u62ecWeb Storage API\uff08localStorage\u548csessionStorage\uff09\u548cIndexedDB API\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u5b58\u50a8\u6570\u636e\uff0c\u5b9e\u73b0\u79bb\u7ebf\u5e94\u7528\u548c\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/li>\n

  6. \n

    Web Workers\uff1aHTML5\u7684Web Workers\u5141\u8bb8\u5728\u540e\u53f0\u8fd0\u884c\u811a\u672c\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u5904\u7406\u590d\u6742\u8ba1\u7b97\u548c\u591a\u7ebf\u7a0b\u4efb\u52a1\u7684\u65b9\u5f0f\uff0c\u907f\u514d\u4e86\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<\/li>\n

  7. \n

    \u5730\u7406\u4f4d\u7f6e\u548c\u8bbe\u5907\u8bbf\u95ee\uff1aHTML5\u5f15\u5165\u4e86Geolocation API\u548cDevice API\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u83b7\u53d6\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u548c\u8bbf\u95ee\u8bbe\u5907\u7684\u6444\u50cf\u5934\u3001\u9ea6\u514b\u98ce\u7b49\u786c\u4ef6\u8bbe\u5907\u3002<\/p>\n<\/li>\n

  8. \n

    WebRTC\uff1aHTML5\u7684WebRTC\uff08Web\u5b9e\u65f6\u901a\u4fe1\uff09\u63d0\u4f9b\u4e86\u5b9e\u65f6\u97f3\u89c6\u9891\u901a\u4fe1\u7684\u529f\u80fd\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u7f51\u9875\u4e0a\u5b9e\u73b0\u89c6\u9891\u4f1a\u8bae\u3001\u8bed\u97f3\u804a\u5929\u7b49\u5e94\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n

    HTML5\u7684\u5e7f\u6cdb\u652f\u6301\u548c\u5f3a\u5927\u7684\u529f\u80fd\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u66f4\u4e30\u5bcc\u3001\u4ea4\u4e92\u6027\u66f4\u5f3a\u7684Web\u5e94\u7528\u3002\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0d\u540c\u6d4f\u89c8\u5668\u5bf9HTML5\u7684\u652f\u6301\u53ef\u80fd\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u5728\u5f00\u53d1\u65f6\u9700\u8981\u8003\u8651\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5e76\u4f7f\u7528\u76f8\u5e94\u7684Polyfills\u6216\u57ab\u7247\u6765\u586b\u8865\u529f\u80fd\u7684\u7f3a\u5931\u3002<\/p>\n

    \u4f18\u70b9\u4e0e\u5f02\u540c<\/h2>\n

    HTML5\u76f8\u6bd4\u4e8e\u4e4b\u524d\u7684HTML\u7248\u672c\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n

      \n
    1. \n

      \u65b0\u589e\u8bed\u4e49\u5316\u6807\u7b7e\uff1aHTML5\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u8bed\u4e49\u5316\u6807\u7b7e\uff0c\u5982<header><\/code>\u3001<nav><\/code>\u3001<section><\/code>\u3001<article><\/code>\u7b49\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u6e05\u6670\u5730\u63cf\u8ff0\u9875\u9762\u7ed3\u6784\u548c\u5185\u5bb9\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/li>\n

    2. \n

      \u591a\u5a92\u4f53\u652f\u6301\uff1aHTML5\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u591a\u5a92\u4f53\u652f\u6301\uff0c\u5305\u62ec<video><\/code>\u548c<audio><\/code>\u6807\u7b7e\uff0c\u4f7f\u5f97\u5728\u7f51\u9875\u4e2d\u5d4c\u5165\u89c6\u9891\u548c\u97f3\u9891\u66f4\u52a0\u7b80\u5355\u548c\u7075\u6d3b\u3002<\/p>\n<\/li>\n

    3. \n

      Canvas\u7ed8\u56fe\uff1aHTML5\u7684<canvas><\/code>\u5143\u7d20\u5141\u8bb8\u5f00\u53d1\u8005\u4f7f\u7528JavaScript\u5728\u7f51\u9875\u4e0a\u7ed8\u5236\u56fe\u5f62\u3001\u52a8\u753b\u548c\u6e38\u620f\uff0c\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u56fe\u5f62\u5904\u7406\u80fd\u529b\u3002<\/p>\n<\/li>\n

    4. \n

      \u672c\u5730\u5b58\u50a8\uff1aHTML5\u5f15\u5165\u4e86\u672c\u5730\u5b58\u50a8\u673a\u5236\uff0c\u5982localStorage<\/code>\u548csessionStorage<\/code>\uff0c\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u5b58\u50a8\u6570\u636e\uff0c\u51cf\u5c11\u5bf9\u670d\u52a1\u5668\u7684\u8bf7\u6c42\uff0c\u63d0\u9ad8\u7f51\u9875\u52a0\u8f7d\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/li>\n

    5. \n

      Web\u5e94\u7528\u7a0b\u5e8f\uff1aHTML5\u63d0\u4f9b\u4e86\u4e00\u4e9b\u65b0\u7684API\u548c\u529f\u80fd\uff0c\u5982\u79bb\u7ebf\u5e94\u7528\u7a0b\u5e8f\u7f13\u5b58\u3001\u5730\u7406\u5b9a\u4f4d\u3001\u62d6\u653e\u3001\u901a\u77e5\u7b49\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u6784\u5efa\u66f4\u5f3a\u5927\u7684Web\u5e94\u7528\u7a0b\u5e8f\uff0c\u63d0\u4f9b\u66f4\u4e30\u5bcc\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/li>\n<\/ol>\n

      HTML5\u4e0e\u4e4b\u524d\u7684HTML\u7248\u672c\u76f8\u6bd4\uff0c\u6709\u4ee5\u4e0b\u4e0d\u540c\u4e4b\u5904\uff1a<\/p>\n

        \n
      1. \n

        \u8bed\u6cd5\u548c\u6807\u7b7e\uff1aHTML5\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u6807\u7b7e\u548c\u5c5e\u6027\uff0c\u5982\u8bed\u4e49\u5316\u6807\u7b7e\u3001<video><\/code>\u3001<audio><\/code>\u3001<canvas><\/code>\u7b49\uff0c\u540c\u65f6\u5e9f\u5f03\u4e86\u4e00\u4e9b\u8fc7\u65f6\u7684\u6807\u7b7e\u548c\u5c5e\u6027\uff0c\u5982<font><\/code>\u3001<center><\/code>\u7b49\u3002<\/p>\n<\/li>\n

      2. \n

        CSS3\u548cJavaScript\u652f\u6301\uff1aHTML5\u4e0eCSS3\u548cJavaScript\u7d27\u5bc6\u7ed3\u5408\uff0c\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u6837\u5f0f\u63a7\u5236\u548c\u4ea4\u4e92\u80fd\u529b\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u5b9e\u73b0\u66f4\u590d\u6742\u548c\u521b\u65b0\u7684\u8bbe\u8ba1\u548c\u529f\u80fd\u3002<\/p>\n<\/li>\n

      3. \n

        \u591a\u5a92\u4f53\u652f\u6301\uff1aHTML5\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u591a\u5a92\u4f53\u652f\u6301\uff0c\u5982\u76f4\u63a5\u5728\u7f51\u9875\u4e2d\u64ad\u653e\u89c6\u9891\u548c\u97f3\u9891\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u7b2c\u4e09\u65b9\u63d2\u4ef6\u3002<\/p>\n<\/li>\n

      4. \n

        \u79fb\u52a8\u8bbe\u5907\u652f\u6301\uff1aHTML5\u66f4\u597d\u5730\u652f\u6301\u79fb\u52a8\u8bbe\u5907\uff0c\u5305\u62ec\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u3001\u89e6\u6478\u4e8b\u4ef6\u3001\u5730\u7406\u5b9a\u4f4d\u7b49\uff0c\u4f7f\u5f97\u7f51\u9875\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u80fd\u591f\u63d0\u4f9b\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/li>\n

      5. \n

        \u672c\u5730\u5b58\u50a8\u548c\u79bb\u7ebf\u5e94\u7528\uff1aHTML5\u5f15\u5165\u4e86\u672c\u5730\u5b58\u50a8\u673a\u5236\u548c\u79bb\u7ebf\u5e94\u7528\u7a0b\u5e8f\u7f13\u5b58\uff0c\u4f7f\u5f97\u7f51\u9875\u80fd\u591f\u5728\u79bb\u7ebf\u72b6\u6001\u4e0b\u7ee7\u7eed\u8bbf\u95ee\u548c\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n

        \u603b\u7684\u6765\u8bf4\uff0cHTML5\u5728\u8bed\u4e49\u5316\u3001\u591a\u5a92\u4f53\u652f\u6301\u3001\u56fe\u5f62\u5904\u7406\u3001\u672c\u5730\u5b58\u50a8\u548cWeb\u5e94\u7528\u7a0b\u5e8f\u7b49\u65b9\u9762\u76f8\u6bd4\u4e8e\u4e4b\u524d\u7684HTML\u7248\u672c\u6709\u66f4\u591a\u7684\u4f18\u70b9\u548c\u529f\u80fd\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u6784\u5efa\u66f4\u5f3a\u5927\u3001\u66f4\u7075\u6d3b\u548c\u66f4\u4e30\u5bcc\u7684Web\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

        html\u4ee3\u7801\u5f00\u5934\u6709<!doctype html>\u5c31\u662fH5\u9875\u9762\u5417<\/h2>\n

        \u662f\u7684\uff0c<!doctype html><\/code>\u662fHTML5\u9875\u9762\u7684\u6587\u6863\u7c7b\u578b\u58f0\u660e\u3002\u5b83\u544a\u8bc9\u6d4f\u89c8\u5668\u5f53\u524d\u9875\u9762\u4f7f\u7528\u7684\u662fHTML5\u6807\u51c6\u3002HTML5\u662fHTML\u7684\u6700\u65b0\u7248\u672c\uff0c\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u8bed\u4e49\u5316\u5143\u7d20\u3001API\u548c\u529f\u80fd\uff0c\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u548c\u5f00\u53d1\u7075\u6d3b\u6027\u3002<\/p>\n

        \u5728HTML5\u4e2d\uff0c<!doctype html><\/code>\u662f\u5fc5\u9700\u7684\uff0c\u5b83\u5e94\u8be5\u4f5c\u4e3aHTML\u6587\u6863\u7684\u7b2c\u4e00\u884c\u3002\u5b83\u544a\u8bc9\u6d4f\u89c8\u5668\u4f7f\u7528HTML5\u89e3\u6790\u9875\u9762\uff0c\u5e76\u542f\u7528HTML5\u7684\u65b0\u7279\u6027\u548c\u8bed\u6cd5\u3002<\/p>\n

        \u6240\u4ee5\uff0c\u5f53\u4f60\u5728HTML\u9875\u9762\u7684\u5f00\u5934\u770b\u5230<!doctype html><\/code>\u65f6\uff0c\u53ef\u4ee5\u786e\u5b9a\u8fd9\u662f\u4e00\u4e2aHTML5\u9875\u9762\u3002<\/p>\n

        H5\u7684\u672c\u5730\u5b58\u50a8\u662f\u5b58\u50a8\u5728\u4ec0\u4e48\u5730\u65b9<\/h2>\n

        HTML5\u7684\u672c\u5730\u5b58\u50a8\u662f\u6307\u901a\u8fc7Web Storage API\uff08localStorage\u548csessionStorage\uff09\u6216IndexedDB API\u5728\u6d4f\u89c8\u5668\u4e2d\u5b58\u50a8\u6570\u636e\u3002<\/p>\n

        \u5177\u4f53\u6765\u8bf4\uff0clocalStorage\u548csessionStorage\u662f\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u7684\u672c\u5730\u7f13\u5b58\u4e2d\u7684\u952e\u503c\u5bf9\u6570\u636e\u3002\u8fd9\u4e9b\u6570\u636e\u5b58\u50a8\u5728\u7528\u6237\u7684\u8bbe\u5907\u4e0a\uff0c\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u5173\u95ed\u540e\u4ecd\u7136\u4fdd\u7559\u3002localStorage\u7684\u6570\u636e\u6ca1\u6709\u8fc7\u671f\u65f6\u95f4\uff0c\u800csessionStorage\u7684\u6570\u636e\u5728\u6d4f\u89c8\u5668\u4f1a\u8bdd\u7ed3\u675f\u540e\u5c31\u4f1a\u88ab\u6e05\u9664\u3002<\/p>\n

        IndexedDB\u662f\u4e00\u4e2a\u66f4\u5f3a\u5927\u7684\u672c\u5730\u6570\u636e\u5e93\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5b58\u50a8\u548c\u68c0\u7d22\u7ed3\u6784\u5316\u6570\u636e\u3002IndexedDB\u7684\u6570\u636e\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u7684\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u4e00\u822c\u662f\u5728\u7528\u6237\u7684\u4e2a\u4eba\u6587\u4ef6\u5939\u4e2d\uff0c\u5177\u4f53\u4f4d\u7f6e\u53ef\u80fd\u56e0\u6d4f\u89c8\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u800c\u5f02\u3002<\/p>\n

        Microsoft Edge\u6d4f\u89c8\u5668\u4e5f\u652f\u6301HTML5\u7684\u672c\u5730\u5b58\u50a8\u529f\u80fd\u3002\u8981\u67e5\u770b\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u4e2d\u7684\u672c\u5730\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u6d4f\u89c8\u5668\u7684\u5f00\u53d1\u8005\u5de5\u5177\uff08\u901a\u5e38\u662f\u6309\u4e0bF12\u952e\u6253\u5f00\uff09\u4e2d\u7684"Application"\uff08\u6216"Storage"\uff09\u9009\u9879\u5361\u6765\u67e5\u770blocalStorage\u3001sessionStorage\u548cIndexedDB\u4e2d\u7684\u6570\u636e\u3002<\/p>\n

        h5\u7684audio\u6807\u7b7e\u662f\u5e72\u4ec0\u4e48\u7528\u7684<\/h2>\n

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        <audio><\/code>\u6807\u7b7e\u5177\u6709\u4ee5\u4e0b\u4e00\u4e9b\u5e38\u7528\u5c5e\u6027\uff1a<\/p>\n

          \n
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        • autoplay<\/code>\uff1a\u81ea\u52a8\u64ad\u653e\u97f3\u9891\u3002<\/li>\n
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        • muted<\/code>\uff1a\u9759\u97f3\u64ad\u653e\u97f3\u9891\u3002<\/li>\n<\/ul>\n

          \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7684<audio><\/code>\u6807\u7b7e\u7684\u4f7f\u7528\uff1a<\/p>\n

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          \u4e0a\u8ff0\u4ee3\u7801\u5c06\u5728\u7f51\u9875\u4e2d\u5d4c\u5165\u4e00\u4e2a\u97f3\u9891\u6587\u4ef6audio.mp3<\/code>\uff0c\u5e76\u663e\u793a\u64ad\u653e\u5668\u63a7\u4ef6\uff0c\u7528\u6237\u53ef\u4ee5\u70b9\u51fb\u64ad\u653e\u6309\u94ae\u6765\u64ad\u653e\u97f3\u9891\u3002<\/p>\n
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          <audio controls>\n  <source src="audio.mp3" type="audio\/mpeg">\n  <source src="audio.ogg" type="audio\/ogg">\n  Your browser does not support the audio tag.\n<\/audio><\/code><\/pre>\n
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          var worker = new Worker('worker.js');<\/code><\/pre>\n
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          worker.postMessage('Hello from main thread!');\n\nworker.onmessage = function(event) {\n  console.log('Message from worker: ' + event.data);\n};<\/code><\/pre>\n
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