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class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"500\" data-height=\"339\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-f1263a2b32faa3e4.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/500\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-f1263a2b32faa3e4.png\" data-original-width=\"500\" data-original-height=\"339\" data-original-format=\"image\/png\" data-original-filesize=\"47011\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">\u6d4f\u89c8\u5668\u7ed3\u6784<\/div>\n<\/div>\n<p>1.\u7528\u6237\u63a5\u53e3\u2014\u2014\u5305\u542b\u5730\u5740\u680f\u3001\u524d\u8fdb\u548c\u540e\u9000\u6309\u94ae\u3001\u4e66\u7b7e\u7b49\u9664\u4e86\u663e\u793a\u7f51\u9875\u4ee5\u5916\u7684\u90e8\u5206\u3002<br \/>\n2.\u6d4f\u89c8\u5668\u5f15\u64ce\u2014\u2014\u67e5\u8be2\u4e0e\u64cd\u4f5c\u6e32\u67d3\u5f15\u64ce\u7684\u63a5\u53e3\u3002<br 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data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-24c54aa8c57b7ccb.png\" data-original-width=\"600\" data-original-height=\"66\" data-original-format=\"image\/png\" data-original-filesize=\"18260\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">\u6e32\u67d3\u5f15\u64ce\u57fa\u672c\u6d41\u7a0b<\/div>\n<\/div>\n<p>\u6e32\u67d3\u5f15\u64ce\u5f00\u59cb\u89e3\u6790<strong>HTML\u6587\u6863<\/strong>\uff0c\u5e76\u4e14\u628aHTML\u6807\u7b7e\u8f6c\u5316\u4e3a\u4e00\u4e2a\u88ab\u53eb\u505a\u201c\u5185\u5bb9\u6811\u201d\u7684<strong>DOM\u6811<\/strong>\uff0c\u5b83\u5c06\u89e3\u6790CSS\u6837\u5f0f\uff0c\u5305\u62ec\u5916\u90e8\u6837\u5f0f\u548c\u5185\u5d4c\u6837\u5f0f\u3002\u6837\u5f0f\u6570\u636e\u548cHTML\u4e2d\u7684\u663e\u793a\u63a7\u5236\u5c06\u5171\u540c\u7528\u6765\u521b\u5efa\u53e6\u4e00\u68f5\u6811\u2014\u2014<strong>\u6e32\u67d3\u6811<\/strong>\u3002<br 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class=\"image-caption\">\u89e3\u6790\u7684\u7ed3\u679c\uff1a\u6811\u7684\u8282\u70b9\u96c6\u5408<\/div>\n<\/div>\n<h6>1)\u3001\u8bed\u6cd5\uff1a<\/h6>\n<p>\u89e3\u6790\u57fa\u4e8e\u6587\u6863\u6240\u9075\u5faa\u7684\u8bed\u6cd5\u89c4\u5219\u2014\u2014\u4e66\u5199\u6240\u7528\u7684\u8bed\u8a00\u6216\u683c\u5f0f\u2014\u2014\u6765\u8fdb\u884c\u7684\u3002\u6bcf\u4e00\u79cd\u53ef\u4ee5\u89e3\u6790\u7684\u683c\u5f0f\u5fc5\u987b\u7531\u786e\u5b9a\u7684\u8bed\u6cd5\u4e0e\u8bcd\u6c47\u7ec4\u6210\u3002\u8fd9\u88ab\u79f0\u4e4b\u4e3a\u4e0a\u4e0b\u6587\u65e0\u5173\u8bed\u6cd5\u3002 \u4eba\u7c7b\u8bed\u8a00\u5e76\u975e\u6b64\u79cd\u8bed\u8a00\uff0c\u6240\u4ee5\u4e0d\u80fd\u7528\u5e38\u89c4\u7684\u89e3\u6790\u6280\u672f\u6765\u89e3\u6790\u3002<\/p>\n<h6>2)\u3001\u89e3\u6790\u5668\u2014\u2014\u5206\u6790\u5668\u7ec4\u5408\uff1a<\/h6>\n<p>\u89e3\u6790\u5668\u6709\u4e24\u4e2a\u5904\u7406\u8fc7\u7a0b\u2014\u2014<strong>\u8bcd\u6cd5\u5206\u6790<\/strong>\u4e0e<strong>\u8bed\u6cd5\u5206\u6790<\/strong>\u3002<br \/>\n<strong>\u8bcd\u6cd5\u5206\u6790<\/strong>\u8d1f\u8d23\u628a\u8f93\u5165\u5207\u5206\u6210\u7b26\u53f7\u5e8f\u5217\uff0c\u7b26\u53f7\u662f\u8bed\u8a00\u7684\u8bcd\u6c47\u2014\u2014\u7531\u8be5\u8bed\u8a00\u6240\u6709\u5408\u6cd5\u7684\u5355\u8bcd\u7ec4\u6210\u3002<strong>\u8bed\u6cd5\u5206\u6790<\/strong>\u662f\u5bf9\u8be5\u8bed\u8a00\u8bed\u6cd5\u6cd5\u5219\u7684\u5e94\u7528\u3002<br \/>\n\u89e3\u6790\u5668\u901a\u5e38\u628a\u5de5\u4f5c\u5206\u7ed9\u4e24\u4e2a\u7ec4\u4ef6\u2014\u2014<strong>\u8bcd\u6cd5\u5206\u6790\u7a0b\u5e8f<\/strong>\uff08\u6709\u65f6\u88ab\u53eb\u5206\u8bcd\u5668\uff09\u8d1f\u8d23\u628a\u8f93\u5165\u5207\u5206\u6210\u5408\u6cd5\u7b26\u53f7\u5e8f\u5217\uff0c<strong>\u89e3\u6790\u5668<\/strong>\u8d1f\u8d23\u6309\u7167\u8bed\u6cd5\u89c4\u5219\u5206\u6790\u6587\u6863\u7ed3\u6784\u548c\u6784\u5efa\u8bed\u6cd5\u6811\u3002<br \/>\n\u8bcd\u6cd5\u5206\u6790\u7a0b\u5e8f\u77e5\u9053\u5982\u4f55\u8fc7\u6ee4\u50cf\u7a7a\u683c\uff0c\u6362\u884c\u4e4b\u7c7b\u7684\u65e0\u5173\u5b57\u7b26\u3002\u5982\u4e0b\u56fe3.1.2<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"158\" data-height=\"308\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-f70f67ebd475ad33.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/158\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-f70f67ebd475ad33.png\" data-original-width=\"158\" data-original-height=\"308\" data-original-format=\"image\/png\" data-original-filesize=\"19432\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">\u89e3\u6790\u5668\u7684\u5de5\u4f5c\u6d41\u7a0b\uff1a\u6587\u6863&#8212;-\u5206\u8bcd\u5668&#8212;-\u8bed\u6cd5\u5206\u6790\u5668&#8212;-\u89e3\u6790\u6811<\/div>\n<\/div>\n<p>\u89e3\u6790\u8fc7\u7a0b\u662f\u8fed\u4ee3\u7684\u3002\u89e3\u6790\u5668\u901a\u5e38\u4f1a\u4ece\u8bcd\u6cd5\u5206\u6790\u5668\u83b7\u53d6\u65b0\u7b26\u53f7\u5e76\u5c1d\u8bd5\u5339\u914d\u53e5\u6cd5\u89c4\u5219\u3002\u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5c31\u5728\u53e5\u6cd5\u6811\u4e0a\u521b\u5efa\u76f8\u5e94\u7684\u8282\u70b9\uff0c\u5e76\u7ee7\u7eed\u4ece\u8bcd\u6cd5\u5206\u6790\u5668\u83b7\u53d6\u4e0b\u4e00\u4e2a\u7b26\u53f7\u3002<br \/>\n\u5982\u679c\u6ca1\u6709\u5339\u914d\u7684\u89c4\u5219\uff0c\u89e3\u6790\u5668\u4f1a\u5185\u90e8\u4fdd\u5b58\u8fd9\u4e2a\u7b26\u53f7\uff0c\u5e76\u7ee7\u7eed\u4ece\u8bcd\u6cd5\u5206\u6790\u5668\u83b7\u53d6\u7b26\u53f7\uff0c\u76f4\u5230\u5185\u90e8\u4fdd\u5b58\u7684\u6240\u6709\u7b26\u53f7\u80fd\u591f\u6210\u529f\u5339\u914d\u4e00\u4e2a\u89c4\u5219\u3002<br \/>\n\u5982\u679c\u6700\u7ec8\u65e0\u6cd5\u5339\u914d\uff0c\u89e3\u6790\u5668\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\u8fd9\u610f\u5473\u7740\u6587\u6863\u65e0\u6548\uff0c\u542b\u6709\u53e5\u6cd5\u9519\u8bef\u3002<\/p>\n<h6>3)\u3001\u8f6c\u6362\uff1a<\/h6>\n<p>\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u89e3\u6790\u6811\u5e76\u975e\u662f\u6700\u7ec8\u7ed3\u679c\uff0c\u89e3\u6790\u7ecf\u5e38\u88ab\u7528\u4e8e\u8f6c\u6362\u2014\u2014\u8f93\u5165\u6587\u6863\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u683c\u5f0f\uff0c\u6bd4\u5982\u4e00\u4e2a\u7f16\u8bd1\u5668\u8981\u628a\u6e90\u7801\u7f16\u8bd1\u6210\u673a\u5668\u7801\uff0c\u9996\u5148\u4f1a\u89e3\u6790\u6210\u89e3\u6790\u6811\uff0c\u7136\u540e\u518d\u8f6c\u6362\u6210\u673a\u5668\u7801\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"188\" data-height=\"403\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-b19dbf8e5f604d03.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/188\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-b19dbf8e5f604d03.png\" data-original-width=\"188\" data-original-height=\"403\" data-original-format=\"image\/png\" data-original-filesize=\"26023\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">Paste_Image.png<\/div>\n<\/div>\n<p>\u5173\u4e8e\u89e3\u6790\u7684\u5177\u4f53\u5de5\u4f5c\u793a\u4f8b\u8bf7\u53c2\u7167\uff1a<a href=\"https:\/\/link.jianshu.com?t=http:\/\/blog.csdn.net\/cuew1987\/article\/details\/9155249\" target=\"_blank\" rel=\"nofollow noopener\">\u8fd9\u91cc<\/a> \u3002\u8be5\u793a\u4f8b\u4e3a\u4e0a\u4e0b\u6587\u65e0\u5173\u7684\u8bed\u6cd5\uff0c\u8bcd\u6c47\u8f6c\u6362\u89c4\u5219\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u8868\u793a\uff0c\u8bed\u6cd5\u89c4\u5219\u7528BNF\u683c\u5f0f\u5b9a\u4e49\uff0c\u5e38\u89c4\u89e3\u6790\u5668\u53ea\u80fd\u89e3\u6790\u4e0a\u4e0b\u6587\u65e0\u5173\u8bed\u6cd5\u7684\u8bed\u8a00\u3002\u8fd9\u79cd\u8bed\u8a00\u7684\u4e00\u4e2a\u76f4\u89c9\u7684\u5b9a\u4e49\u662f\u5b83\u7684\u53e5\u6cd5\u53ef\u4ee5\u7528BNF\u5b8c\u6574\u7684\u8868\u8fbe\u3002<br \/>\n\u540c\u65f6\u4ecb\u7ecd\u4e86\u6709\u4e24\u79cd\u57fa\u672c\u7c7b\u578b\u2014\u2014\u81ea\u4e0a\u800c\u4e0b\u89e3\u6790\u5668\u548c\u81ea\u4e0b\u800c\u4e0a\u89e3\u6790\u5668\u5404\u81ea\u7684\u89e3\u6790\u6d41\u7a0b\u3002<\/p>\n<h5>2.HTML\u89e3\u6790\u5668\uff1a<\/h5>\n<p><strong>HTML\u89e3\u6790\u5668\u7684\u5de5\u4f5c\u662f\u89e3\u6790HTML\u6807\u8bb0\u5230\u89e3\u6790\u6811\u3002<\/strong><\/p>\n<h6>1)HTML\u8bed\u6cd5\u5b9a\u4e49<\/h6>\n<p>HTML\u7684\u8bcd\u6c47\u4e0e\u53e5\u6cd5\u5b9a\u4e49\u5728w3c\u7ec4\u7ec7\u521b\u5efa\u7684\u89c4\u8303\u4e2d\u3002\u5f53\u524d\u7248\u672c\u662fHTML4\uff0cHTML5\u7684\u5de5\u4f5c\u6b63\u5728\u8fdb\u884c\u4e2d\u3002<\/p>\n<h6>2)\u4e0d\u662f\u4e0a\u4e0b\u6587\u65e0\u5173\u8bed\u6cd5<\/h6>\n<p>\u5728\u5bf9\u89e3\u6790\u5668\u7684\u4ecb\u7ecd\u4e2d\u770b\u5230\uff0c\u8bed\u6cd5\u53ef\u4ee5\u7528\u7c7b\u4f3cBNF\u7684\u683c\u5f0f\u89c4\u8303\u5730\u5b9a\u4e49\u3002\u4e0d\u5e78\u7684\u662f\u6240\u6709\u5e38\u89c4\u89e3\u6790\u5668\u7684\u8ba8\u8bba\u90fd\u4e0d\u9002\u7528\u4e8eHTML\uff08\u6211\u63d0\u53ca\u5b83\u4eec\u5e76\u4e0d\u662f\u4e3a\u4e86\u5a31\u4e50\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528\u4e8e\u89e3\u6790CSS\u548cJavaScript\uff09\u3002<strong>HTML\u65e0\u6cd5\u7528\u89e3\u6790\u5668\u6240\u9700\u7684\u4e0a\u4e0b\u6587\u65e0\u5173\u7684\u8bed\u6cd5\u6765\u5b9a\u4e49<\/strong>\u3002<\/p>\n<h6>3)HTML DTD<\/h6>\n<p><strong>HTML\u7684\u5b9a\u4e49\u4f7f\u7528DTD\u6587\u4ef6\u3002<\/strong>\u8fd9\u79cd\u683c\u5f0f\u7528\u6765\u5b9a\u4e49SGML\u65cf\u8bed\u8a00\uff0c\u5b83\u5305\u542b\u5bf9\u6240\u6709\u5141\u8bb8\u7684\u5143\u7d20\u7684\u5b9a\u4e49\uff0c\u5305\u62ec\u5b83\u4eec\u7684\u5c5e\u6027\u548c\u5c42\u7ea7\u5173\u7cfb\u3002\u5982\u6211\u4eec\u524d\u9762\u6240\u8bf4\uff0cHTML DTD\u6784\u4e0d\u6210\u4e0a\u4e0b\u6587\u65e0\u5173\u8bed\u6cd5\u3002 <a href=\"https:\/\/link.jianshu.com?t=http:\/\/www.w3.org\/TR\/html4\/strict.dtd\" target=\"_blank\" rel=\"nofollow noopener\">\u5177\u4f53\u89c4\u5219<\/a>\u7531W3C\u5b9a\u4e49\u3002<\/p>\n<h6>4)DOM<\/h6>\n<p>\u89e3\u6790\u5668\u8f93\u51fa\u7684\u6811\u662f\u7531<strong>DOM\u5143\u7d20<\/strong>\u548c<strong>\u5c5e\u6027\u8282\u70b9<\/strong>\u7ec4\u6210\u7684\u3002DOM\u7684\u5168\u79f0\u4e3a\uff1aDocument Object Model\u3002\u5b83\u662fHTML\u6587\u6863\u7684\u5bf9\u8c61\u5316\u63cf\u8ff0\uff0c\u4e5f\u662f<strong>HTML\u5143\u7d20\u4e0e\u5916\u754c\uff08\u5982Javascript\uff09\u7684\u63a5\u53e3<\/strong>\u3002<br \/>\nDOM\u4e0e\u6807\u7b7e\u6709\u7740\u51e0\u4e4e\u4e00\u4e00\u5bf9\u5e94\u7684\u5173\u7cfb\uff0c\u5982\u4e0b:<br \/>\n<code>&lt;html&gt; &lt;body&gt; &lt;p&gt;hello world&lt;\/p&gt; &lt;div&gt;&lt;img src=\"aa.png\"\/&gt;&lt;\/div&gt; &lt;\/body&gt; &lt;\/html&gt;<\/code><br \/>\n\u5176\u5bf9\u5e94\u7684DOM\u6811\u5982\u4e0b3.2.4\u56fe\uff1a<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"450\" data-height=\"232\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-f8198ec045ad7d26.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/450\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-f8198ec045ad7d26.png\" data-original-width=\"450\" data-original-height=\"232\" data-original-format=\"image\/png\" data-original-filesize=\"40532\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">\u4ee3\u7801\u5bf9\u5e94\u7684DOM\u7ed3\u6784<\/div>\n<\/div>\n<p>\u4e0eHTML\u4e00\u6837\uff0cDOM\u89c4\u8303\u4e5f\u7531w3c\u7ec4\u7ec7\u5236\u8ba2\u3002\u53c2\u8003\uff1a<a href=\"https:\/\/link.jianshu.com?t=http:\/\/www.w3.org\/DOM\/DOMTR\" target=\"_blank\" rel=\"nofollow noopener\">http:\/\/www.w3.org\/DOM\/DOMTR<\/a>.<\/p>\n<h6>5)\u89e3\u6790\u7b97\u6cd5<\/h6>\n<p>\u65e0\u6cd5\u4f7f\u7528\u5e38\u89c4\u7684\u89e3\u6790\u6280\u672f\uff0c\u6d4f\u89c8\u5668\u521b\u5efa\u81ea\u5b9a\u4e49\u7684\u89e3\u6790\u5668\u89e3\u6790HTML\u3002\u89e3\u6790\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"308\" data-height=\"400\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-7c7f0ab036a8c7e4.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/308\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-7c7f0ab036a8c7e4.png\" data-original-width=\"308\" data-original-height=\"400\" data-original-format=\"image\/png\" data-original-filesize=\"36039\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">HTML\u89e3\u6790\u7b97\u6cd5\u6d41\u7a0b<\/div>\n<\/div>\n<p>HTML\u89e3\u6790\u7b97\u6cd5\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff1a<strong>\u6807\u8bb0\u5316\u7b97\u6cd5<\/strong> + <strong>\u6811\u6784\u9020\u7b97\u6cd5<\/strong>\u3002<\/p>\n<h6>6)\u6807\u8bb0\u5316\u7b97\u6cd5<\/h6>\n<p>\u8be5\u7b97\u6cd5\u7684\u8f93\u51fa\u662f\u4e00\u4e2aHTML\u6807\u8bb0\u3002\u8be5\u7b97\u6cd5\u88ab\u8868\u793a\u4e3a\u4e00\u4e2a\u72b6\u6001\u673a\u3002\u6bcf\u4e2a\u72b6\u6001\u4f1a\u6d88\u8017\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u8f93\u5165\u6d41\uff0c\u6839\u636e\u8fd9\u4e9b\u5b57\u7b26\u66f4\u65b0\u4e0b\u4e00\u4e2a\u72b6\u6001\u3002\u8fd9\u4e2a\u51b3\u5b9a\u4f1a\u88ab\u5f53\u524d\u7684\u6807\u8bb0\u5316\u72b6\u6001\u548c\u6811\u5efa\u8bbe\u72b6\u6001\u6240\u5f71\u54cd\u3002\u8fd9\u610f\u5473\u7740\u5728\u4e0b\u4e00\u4e2a\u6b63\u786e\u7684\u72b6\u6001\u4e0b\u6d88\u8017\u76f8\u540c\u7684\u5b57\u7b26\u4f1a\u4ea7\u751f\u4e0d\u540c\u7684\u7ed3\u679c\u3002<br \/>\n\u8ba9\u6211\u4eec\u6765\u770b\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5e2e\u52a9\u6211\u4eec\u8fdb\u4e00\u6b65\u7684\u7406\u89e3\u3002<\/p>\n<blockquote><p>\u57fa\u672c\u7684\u4f8b\u5b50 &#8211; \u6807\u8bb0\u5316\u4e0b\u9762\u7684HTML\uff1a<br \/>\n`&lt;HTML&gt;<\/p><\/blockquote>\n<pre class=\"hljs xml\"><code class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">BODY<\/span>&gt;<\/span>  \r\n    \u4e16\u754c\uff0c\u4f60\u597d  \r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">BODY<\/span>&gt;<\/span>  \r\n<\/code><\/pre>\n<p>&lt;\/HTML&gt;`<\/p>\n<p>\u521d\u59cb\u72b6\u6001\u662f<strong>\u201dData state\u201d<\/strong>\uff0c\u5f53\u9047\u5230\u201d&lt;\u201d\u65f6\u72b6\u6001\u6539\u4e3a<strong>\u201cTag open state\u201d<\/strong>\u3002\u5403\u6389\u201da-z\u201d\u5b57\u7b26\u7ec4\u6210\u7684\u7b26\u53f7\u540e\u4ea7\u751f\u4e86<strong>\u201dStart tag token\u201d<\/strong>\uff0c\u72b6\u6001\u53d8\u66f4\u4e3a<strong>\u201cTag name state\u201d<\/strong>\u3002\u6211\u4eec\u4e00\u76f4\u4fdd\u6301\u6b64\u72b6\u6001\uff0c\u76f4\u5230\u9047\u5230\u201d&gt;\u201d\u3002\u6bcf\u4e2a\u5b57\u7b26\u90fd\u88ab\u8ffd\u52a0\u5230\u65b0\u7684\u7b26\u53f7\u540d\u4e0a\u3002\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\uff0c\u89e3\u51fa\u7684\u7b26\u53f7\u5c31\u662f\u201dhtml\u201d\u3002<br \/>\n\u5f53\u78b0\u5230\u201d&gt;\u201d\u65f6\uff0c\u5f53\u524d\u7b26\u53f7\u5b8c\u6210\uff0c\u72b6\u6001\u6539\u56de<strong>\u201cData state\u201d<\/strong>\u3002\u201d&lt;body&gt;\u201d\u6807\u7b7e\u5c06\u4f1a\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\u5904\u7406\u3002\u73b0\u5728\u201dhtml\u201d\u4e0e\u201dbody\u201d\u6807\u7b7e\u90fd\u5b8c\u6210\u4e86\uff0c\u6211\u4eec\u56de\u5230\u201cData state\u201d\u72b6\u6001\u3002\u5403\u6389\u201dH\u201d\uff08\u201dHello world\u201d\u7b2c\u4e00\u4e2a\u5b57\u6bcd\uff09\u65f6\u4f1a\u4ea7\u751f\u4e00\u4e2a\u5b57\u7b26\u7b26\u53f7\uff0c\u76f4\u5230\u78b0\u5230\u201d&lt;\/body&gt;\u201d\u7684\u201d&lt;\u201d\u7b26\u53f7\uff0c\u6211\u4eec\u5c31\u5b8c\u6210\u4e86\u4e00\u4e2a\u5b57\u7b26\u7b26\u53f7\u201dHello world\u201d\u3002<br \/>\n\u73b0\u5728\u6211\u4eec\u56de\u5230\u201cTag open state\u201d\u72b6\u6001\u3002\u5403\u6389\u4e0b\u4e00\u4e2a\u8f93\u5165\u201d\/\u201d\u65f6\u4f1a\u4ea7\u751f\u4e00\u4e2a<strong>\u201dend tag token\u201d<\/strong>\u5e76\u53d8\u66f4\u4e3a<strong>\u201cTag name state\u201d<\/strong>\u72b6\u6001\u3002\u540c\u6837\uff0c\u6b64\u72b6\u6001\u4fdd\u6301\u5230\u6211\u4eec\u78b0\u5230\u201d&gt;\u201d\u65f6\u3002\u8fd9\u65f6\u65b0\u6807\u7b7e\u7b26\u53f7\u5b8c\u6210\uff0c\u6211\u4eec\u53c8\u56de\u5230\u201cData state\u201d\u3002\u540c\u6837\u201d&lt;\/html&gt;\u201d\u4e5f\u4f1a\u88ab\u8fd9\u6837\u5904\u7406\u3002\u5177\u4f53\u6d41\u7a0b\u5982\u4e0b\u56fe\uff1a3.2.6\uff08\u8f93\u5165\u6e90\u7684\u5206\u8bcd\u5904\u7406\uff09\uff1a<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"627\" data-height=\"387\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-35e95c6a5be99931.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/627\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-35e95c6a5be99931.png\" data-original-width=\"627\" data-original-height=\"387\" data-original-format=\"image\/png\" data-original-filesize=\"29700\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">Paste_Image.png<\/div>\n<\/div>\n<h6>7)\u6811\u6784\u9020\u7b97\u6cd5<\/h6>\n<p>\u5f53\u89e3\u6790\u5668\u88ab\u521b\u5efa\u65f6\uff0c\u6587\u6863\u5bf9\u8c61\u4e5f\u88ab\u521b\u5efa\u4e86\u3002\u5728\u6811\u7684\u6784\u5efa\u8fc7\u7a0b\u4e2dDOM\u6811\u7684\u6839\u8282\u70b9\uff08Documen\uff09\u5c06\u88ab\u4fee\u6539\uff0c\u5143\u7d20\u88ab\u6dfb\u52a0\u5230\u4e0a\u9762\u53bb\u3002\u6bcf\u4e2a\u5206\u8bcd\u5668\u5b8c\u6210\u7684\u8282\u70b9\u90fd\u4f1a\u88ab\u6811\u6784\u5efa\u5668\u5904\u7406\u3002\u89c4\u8303\u4e2d\u5b9a\u4e49\u4e86\u6bcf\u4e00\u4e2a\u7b26\u53f7\u4e0e\u54ea\u4e2aDOM\u5bf9\u8c61\u76f8\u5173\u3002\u9664\u4e86\u628a\u5143\u7d20\u6dfb\u52a0\u5230DOM\u6811\u5916\uff0c\u5b83\u8fd8\u4f1a\u88ab\u6dfb\u52a0\u5230\u4e00\u4e2a\u5f00\u653e\u5143\u7d20\u5806\u6808\u3002\u8fd9\u4e2a\u5806\u6808\u7528\u4e8e\u7ea0\u6b63\u5d4c\u5957\u9519\u8bef\u548c\u6807\u7b7e\u672a\u5173\u95ed\u9519\u8bef\u3002\u8fd9\u4e2a\u7b97\u6cd5\u4e5f\u7528\u72b6\u6001\u673a\u63cf\u8ff0\uff0c\u5b83\u7684\u72b6\u6001\u53eb\u505a\u201dinsertion modes\u201d\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u4e0b\u9762\u8f93\u5165\u7684\u6811\u6784\u5efa\u8fc7\u7a0b\uff1a<\/p>\n<p><code>&lt;html&gt; &lt;body&gt; Hello world &lt;\/body&gt; &lt;\/html&gt;<\/code><\/p>\n<p>\u6811\u7684\u6784\u5efa\u8fc7\u7a0b\u4e2d\uff0c\u8f93\u5165\u5c31\u662f\u5206\u8bcd\u8fc7\u7a0b\u4e2d\u5f97\u5230\u7684\u7b26\u53f7\u5e8f\u5217\u3002\u7b2c\u4e00\u4e2a\u6a21\u5f0f\u53eb\u201cinitial mode\u201d\u3002\u63a5\u6536 html \u7b26\u53f7\u540e\u4f1a\u53d8\u6210\u201cbefore html\u201d\u6a21\u5f0f\u5e76\u91cd\u65b0\u5904\u7406\u6b64\u6a21\u5f0f\u4e2d\u7684\u7b26\u53f7\u3002\u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2aHTMLHtmlElement\u5143\u7d20\u5e76\u8ffd\u52a0\u5230\u6839\u6587\u6863\u8282\u70b9\u3002<br \/>\n\u7136\u540e\u72b6\u6001\u6539\u53d8\u4e3a\u201cbefore head\u201d\u3002\u6211\u4eec\u6536\u5230\u201dbody\u201d\u65f6\uff0c\u4f1a\u9690\u5f0f\u521b\u5efa\u4e00\u4e2aHTMLHeadElement\uff0c\u5c3d\u7ba1\u6211\u4eec\u6ca1\u6709\u8fd9\u4e2a\u6807\u7b7e\uff0c\u5b83\u4e5f\u4f1a\u88ab\u521b\u5efa\u5e76\u6dfb\u52a0\u5230\u6811\u4e2d\u3002<br \/>\n\u73b0\u5728\u6211\u4eec\u8fdb\u5165\u201cin head\u201d\u6a21\u5f0f\uff0c\u7136\u540e\u662f\u201cafter head\u201d\uff0cBody\u4f1a\u88ab\u91cd\u65b0\u5904\u7406\uff0c\u521b\u5efaHTMLBodyElement\u5143\u7d20\u5e76\u63d2\u5165\uff0c\u7136\u540e\u8fdb\u5165\u201cin body\u201d\u6a21\u5f0f\u3002\u5b57\u7b26\u7b26\u53f7\u201dHello world\u201d\u6536\u5230\u540e\u4f1a\u521b\u5efa\u4e00\u4e2a\u201dText\u201d\u8282\u70b9\uff0c\u6240\u6709\u5b57\u7b26\u90fd\u88ab\u4e00\u4e00\u8ffd\u52a0\u5230\u4e0a\u9762\u3002\u6536\u5230body\u7ed3\u675f\u6807\u7b7e\u540e\u8fdb\u5165 \u201cafter body\u201d \u6a21\u5f0f\uff0c\u6536\u5230html\u7ed3\u675f\u6807\u7b7e\u540e\u8fdb\u5165\u201cafter after body\u201d\u6a21\u5f0f\u3002\u6240\u6709\u7b26\u53f7\u5904\u7406\u5b8c\u540e\u5c06\u7ec8\u6b62\u89e3\u6790\u3002<br \/>\n\u5982\u4e0b\u56fe\uff08HTML\u6811\u7684\u521b\u5efa\uff09<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"532\" data-height=\"769\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-9ea8fdf9f55d3b60.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/532\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-9ea8fdf9f55d3b60.png\" data-original-width=\"532\" data-original-height=\"769\" data-original-format=\"image\/png\" data-original-filesize=\"37800\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">HTML\u6811\u7684\u521b\u5efa<\/div>\n<\/div>\n<h6>8)\u5f53\u89e3\u6790\u5b8c\u6210\u540e\u7684\u52a8\u4f5c<\/h6>\n<p>\u5728\u8fd9\u4e00\u9636\u6bb5\u6d4f\u89c8\u5668\u4f1a\u628a\u6587\u6863\u6807\u8bb0\u4e3a\u4ea4\u4e92\u6a21\u5f0f\uff0c\u5e76\u5f00\u59cb\u89e3\u6790deferred\u6a21\u5f0f\u7684script\u3002\u201ddeferred\u201d\u610f\u5473\u7740\u811a\u672c\u5e94\u8be5\u5728\u6587\u6863\u89e3\u6790\u5b8c\u6210\u540e\u6267\u884c\u3002\u811a\u672c\u5904\u7406\u5b8c\u6210\u540e\u5c06\u8fdb\u5165\u201dcomplete\u201d\u72b6\u6001\uff0c\u201dload\u201d\u4e8b\u4ef6\u53d1\u751f\u3002<br \/>\nHTML5\u89c4\u8303\u4e2d\u5305\u542b\u4e86\u5b8c\u6574\u7684\u7b97\u6cd5\uff1a <a href=\"https:\/\/link.jianshu.com?t=http:\/\/www.w3.org\/TR\/html5\/syntax.html#html-parser\" target=\"_blank\" rel=\"nofollow noopener\">http:\/\/www.w3.org\/TR\/html5\/syntax.html#html-parser<\/a><\/p>\n<h5>3.CSS\u89e3\u6790<\/h5>\n<p>\u8bb0\u5f97\u5728\u4ecb\u7ecd\u4e2d\u7684\u89e3\u6790\u6982\u5ff5\u5417\uff1fCSS\u4e0d\u50cfHTML\uff0c\u5b83\u662f\u4e00\u4e2a\u4e0e\u4e0a\u4e0b\u6587\u65e0\u5173\u8bed\u6cd5\u548c\u80fd\u88ab\u5728\u4ecb\u7ecd\u4e2d\u7684\u89e3\u6790\u5668\u7c7b\u578b\u89e3\u6790\uff0c\u5176\u5b9eCSS\u89c4\u8303\u5b9a\u4e49CSS\u7684\u8bcd\u6cd5\u548c\u53e5\u6cd5\u8bed\u6cd5\u3002<br \/>\n\u5177\u4f53\u7684 \u8bcd\u6cd5\u8bed\u6cd5 \u4e0e \u8bed\u6cd5\u89c4\u5219\u8bf7\u70b9\u51fb:<a href=\"https:\/\/link.jianshu.com?t=http:\/\/blog.csdn.net\/cuew1987\/article\/details\/9155249\" target=\"_blank\" rel=\"nofollow noopener\">\u8fd9\u91cc<\/a>\u3002<\/p>\n<p>webkit CSS\u89e3\u6790\u5668\uff1a<br \/>\nwebkit \u4f7f\u7528 flex \u548c bison \u89e3\u6790\u5668\u53d1\u751f\u5668\u4eceCSS \u8bed\u6cd5\u6587\u4ef6\u53bb\u81ea\u52a8\u521b\u5efa\u89e3\u6790\u5668\uff0c\u5728\u89e3\u6790\u5668\u4ecb\u7ecd\u4e2d\uff0cbison\u521b\u5efa\u4e00\u4e2a\u81ea\u4e0b\u800c\u4e0a\u7684\u89e3\u6790\u5668\u3002Firefox\u4f7f\u7528\u81ea\u4e0a\u800c\u4e0b\u7684\u624b\u5de5\u7f16\u5199\u89e3\u6790\u5668\u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c<strong>\u6bcf\u4e00\u4e2aCSS\u6587\u4ef6\u88ab\u89e3\u6790\u5230\u4e00\u4e2a\u6837\u5f0f\u8868\u5bf9\u8c61\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u5305\u542bCSS\u89c4\u5219<\/strong>\u3002CSS\u89c4\u5219\u5bf9\u8c61\u5305\u542b\u9009\u62e9\u5668\u548c\u58f0\u660e\u5bf9\u8c61\u548c\u5176\u4ed6\u5bf9\u8c61\u76f8\u5bf9\u5e94\u7684CSS\u8bed\u6cd5\u3002\u5982\u56fe\u6240\u793a\uff1a<\/p>\n<div class=\"image-package\">\n<div class=\"image-container\">\n<div class=\"image-container-fill\"><\/div>\n<div class=\"image-view\" data-width=\"500\" data-height=\"393\"><img class=\"\" src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-1e85766ca03a53ba.png?imageMogr2\/auto-orient\/strip%7CimageView2\/2\/w\/500\" data-original-src=\"\/\/upload-images.jianshu.io\/upload_images\/69189-1e85766ca03a53ba.png\" data-original-width=\"500\" data-original-height=\"393\" data-original-format=\"image\/png\" data-original-filesize=\"54254\" \/><\/div>\n<\/div>\n<div class=\"image-caption\">css\u89e3\u6790\u7ed3\u6784<\/div>\n<\/div>\n<h5>5.\u5904\u7406\u811a\u672c\u548c\u6837\u5f0f\u8868\u7684\u987a\u5e8f<\/h5>\n<p>\u811a\u672c\uff1a<br \/>\nweb\u6a21\u5f0f\u662f\u540c\u6b65\u6a21\u5f0f\uff0c\u4f5c\u8005\u4eec\u671f\u671b\u5f53\u89e3\u6790\u5668\u89e3\u6790\u5230\u4e00\u4e2a&lt;script&gt;\u6807\u7b7e\u65f6\uff0c\u811a\u672c\u80fd\u88ab\u89e3\u6790\u548c\u7acb\u5373\u6267\u884c\u3002\u811a\u672c\u88ab\u6267\u884c\uff0c\u6587\u6863\u7684\u89e3\u6790\u6682\u505c\uff0c\u5982\u679c&lt;script&gt;\u811a\u672c\u662f\u7531\u5916\u90e8\u5f15\u5165\u7684\uff0c\u5fc5\u987b\u5148\u4ece\u7f51\u7edc\u4e0a\u83b7\u53d6\u2014\u2014\u8fd9\u4e5f\u662f\u540c\u6b65\u7684\uff0c\u89e3\u6790\u6682\u505c\uff0c\u76f4\u5230\u8d44\u6e90\u88ab\u83b7\u53d6\u3002\u8fd9\u662f\u591a\u5e74\u6765\u4f7f\u7528\u7684\u6a21\u5f0f\uff0c\u4e5f\u88ab\u5199\u5165\u5230HTML4\u548cHTML5\u89c4\u8303\u4e2d\u3002<br \/>\n<strong>\u4f5c\u8005\u53ef\u4ee5\u7ed9&lt;script&gt;\u6807\u7b7e\u6dfb\u52a0\u4e00\u4e2adefer=\u201ddefer\u201c\u5c5e\u6027\uff0c\u8fd9\u6837\u4e0d\u4f1a\u6682\u505c\u6587\u6863\u89e3\u6790\uff0c\u6587\u6863\u89e3\u6790\u5b8c\u6210\u540e\uff0c\u518d\u6267\u884c\u811a\u672c\u3002<\/strong><br \/>\n**HTML5\uff0c\u589e\u52a0\u7ed9&lt;script&gt;\u589e\u52a0\u4e86\u4e00\u4e2a\u5c5e\u6027async,\u53ef\u4ee5\u4f7f\u6587\u6863\u7684\u89e3\u6790\u548c\u811a\u672c\u7684\u6267\u884c\u5728\u4e0d\u540c\u7684\u7ebf\u7a0b\u3002 **<br \/>\n\u6295\u673a\u6027\u89e3\u6790\uff1a<br \/>\nWebKit\u548c\u706b\u72d0\u90fd\u8fd9\u6837\u505a\u4f18\u5316\u3002\u6267\u884c\u811a\u672c\u65f6\uff0c\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u89e3\u6790\u6587\u6863\u7684\u5176\u4f59\u90e8\u5206\uff0c\u5e76\u627e\u51fa\u9700\u8981\u4ece\u7f51\u7edc\u52a0\u8f7d\u7684\u5176\u4ed6\u8d44\u6e90\uff0c\u5e76\u52a0\u8f7d\u5b83\u4eec\u3002\u5728\u8fd9\u4e9b\u65b9\u5f0f\u7684\u8d44\u6e90\u53ef\u4ee5\u88ab\u5e76\u884c\u94fe\u63a5\u52a0\u8f7d\u7684\u6574\u4f53\u901f\u5ea6\u662f\u66f4\u597d\u7684\u3002\u6ce8\u610f &#8211; \u6295\u673a\u89e3\u6790\u5668\u4e0d\u4fee\u6539DOM\u6811\uff0c\u8282\u70b9\uff0c\u4e3b\u5206\u6790\u5668\uff0c\u5b83\u4ec5\u4ec5\u89e3\u6790\u5916\u90e8\u811a\u672c\uff0c\u6837\u5f0f\u8868\u548c\u56fe\u7247\u7b49\u5916\u90e8\u8d44\u6e90\u7684\u5f15\u7528\u3002<br \/>\n\u6837\u5f0f\u8868\uff1a<br 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