{"id":9032,"date":"2019-10-27T00:56:42","date_gmt":"2019-10-26T16:56:42","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9032"},"modified":"2019-10-31T10:31:58","modified_gmt":"2019-10-31T02:31:58","slug":"document-readystate","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2019\/10\/document-readystate\/","title":{"rendered":"\u5e78\u597ddocument.readyState\u8fd8\u662f\u6709\u70b9\u9524\u5b50\u7528\u7684"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9032\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=9032<\/a><br \/>\n\u672c\u6587\u6b22\u8fce\u5206\u4eab\u4e0e\u805a\u5408\uff0c\u5168\u6587\u8f6c\u8f7d\u5c31\u4e0d\u5fc5\u4e86\uff0c\u5c0a\u91cd\u7248\u6743\uff0c\u5708\u5b50\u5c31\u8fd9\u4e48\u5927\uff0c\u82e5\u6025\u7528\u53ef\u4ee5\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/201910-readystate.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201910\/clock-thumb0.jpg\" width=\"242\" height=\"150\" alt=\"document.readyState\u5934\u56fe\" class=\"alignright thumb clip size-medium\" \/><\/p>\n<h3>\u4e00\u3001\u5feb\u901f\u4e86\u89e3document.readyState<\/h3>\n<p><code>document.readyState<\/code>\u662f\u4e00\u4e2a\u53ea\u8bfb\u5c5e\u6027\uff0c\u53ef\u4ee5\u8fd4\u56de\u5f53\u524d\u6587\u6863\u7684\u51c6\u5907\u72b6\u6001\u3002<\/p>\n<h4>\u8bed\u6cd5<\/h4>\n<pre>var state = document.readyState;<\/pre>\n<p>\u5176\u4e2d<code>state<\/code>\u503c\u5305\u542b\u4e0b\u9762\u4e09\u4e2a\u503c\uff1a<\/p>\n<dl>\n<dt><strong>loading<\/strong><\/dt>\n<dd>\u8868\u793a\u6587\u6863\u6b63\u5728\u52a0\u8f7d\u4e2d\u3002<\/dd>\n<dt><strong>interactive<\/strong><\/dt>\n<dd>\u8868\u793a\u6587\u6863\u5df2\u5b8c\u6210\u52a0\u8f7d\uff0c\u6587\u6863\u5df2\u88ab\u89e3\u6790\uff0c\u4f46\u56fe\u50cf\u3001\u6837\u5f0f\u8868\u548c\u6846\u67b6\u7b49\u5b50\u8d44\u6e90\u4ecd\u5728\u52a0\u8f7d\u3002<\/dd>\n<dt><strong>complete<\/strong><\/dt>\n<dd>\u8868\u793a\u6587\u6863\u548c\u6240\u6709\u5b50\u8d44\u6e90\u5df2\u5b8c\u6210\u52a0\u8f7d\u3002\u5982\u679c\u72b6\u6001\u53d8\u6210\u8fd9\u4e2a\uff0c\u8868\u660e<code>load<\/code>\u4e8b\u4ef6\u5373\u5c06\u89e6\u53d1\u3002<\/dd>\n<\/dl>\n<p><code>document.readyState<\/code>\u662f\u4e00\u4e2aIE7\uff0cIE8\u6d4f\u89c8\u5668\u4e5f\u652f\u6301\u7684\u5f88\u53e4\u8001\u7684\u5c5e\u6027\uff0c\u8bbe\u8ba1\u7684\u521d\u8877\u662f\u597d\u7684\uff0c\u770b\u8d77\u6765\u4e5f\u4f1a\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5c5e\u6027\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\u6211\u6562\u4fdd\u8bc1\uff0c\u5bf9\u4e8e\u7edd\u5927\u591a\u6570\u7684\u524d\u7aef\u5f00\u53d1\u4eba\u5458\uff0c\u80af\u5b9a\u6ca1\u6709\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7528\u8fc7\u8fd9\u4e2a\u5c5e\u6027\u3002<\/p>\n<p>\u5305\u62ec\u6211\u81ea\u5df1\uff0c\u5728\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u4ee5\u5185\uff0c\u90fd\u8ba4\u4e3a\u8fd9\u4e2a\u5c5e\u6027\u4e2d\u770b\u4e0d\u4e2d\u7528\uff0c\u8fde\u4e2a\u9524\u5b50\u7528\u90fd\u6ca1\u6709\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u539f\u56e0\u6709\u4e24\u4e2a\uff1a\u4e00\u662f\u6ca1\u5fc5\u8981\uff1b\u4e8c\u662f\u6709\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n<h3>\u4e8c\u3001DOM\u4e8b\u4ef6\u7ed1\u5b9a\u6ca1\u5fc5\u8981\u7b49domready<\/h3>\n<p>\u5bf9\u4e8eweb\u9875\u9762\u5f00\u53d1\uff0cJavaScript\u6700\u4e3b\u8981\u7684\u529f\u80fd\u4e4b\u4e00\u5c31\u662f\u9875\u9762\u4e0aDOM\u5143\u7d20\u7684\u4ea4\u4e92\u5b9e\u73b0\uff0c\u5982\u679cDOM\u5143\u7d20\u8fd8\u6ca1\u6709\u52a0\u8f7d\u4e5f\u6ca1\u6709\u88ab\u89e3\u6790\uff0c\u81ea\u7136\u8fd9\u4e9bDOM\u64cd\u4f5c\u96be\u4ee5\u4e3a\u7ee7\u3002\u4e8e\u662f\uff0cJS\u521d\u59cb\u5316\u7684\u65f6\u673a\u5c31\u53d8\u5f97\u5f88\u91cd\u8981\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u5982\u679c\u6211\u4eec\u7684JS\u6587\u4ef6\u4ee5\u53cascript\u4ee3\u7801\u90fd\u653e\u5728\u9875\u9762\u7684\u5e95\u90e8\uff0c<strong>\u6211\u4eec\u4e0d\u7528\u8003\u8651JS\u521d\u59cb\u5316\u65f6\u673a<\/strong>\uff0c\u56e0\u4e3aJS\u653e\u5728\u5e95\u90e8\uff0c\u7b49\u5230\u8981\u6267\u884c\u7684\u65f6\u5019\uff0c\u4e0a\u9762DOM\u90fd\u5df2\u7ecf\u89e3\u6790\u597d\u4e86\uff0c\u767e\u5206\u4e4b\u4e00\u4ebf\u53ef\u4ee5\u653e\u5fc3\u8fd0\u884c\u3002\u4e5f\u5c31\u662f\u4ec0\u4e48<code>readyState<\/code>\uff0c\u4ec0\u4e48<code>DOMContentLoaded<\/code>\u90fd\u4e0d\u9700\u8981\u8003\u8651\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/2019-10-26_232131.jpg\" width=\"200\" height=\"125\" alt=\"\u767e\u5206\u4e4b\u4e00\u4ebf \u77f3\u7eaa\u5143\" class=\"alignnone size-medium\" \/><\/p>\n<p><a href=\"https:\/\/www.zhangxinxu.com\" rel=\"noopener\" target=\"_blank\">\u6211<\/a><span class=\"hidden\">\uff08\u5f20\u946b\u65ed\uff09<\/span>review\u65b0\u4eba\u4e1a\u52a1\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u7ecf\u5e38\u4f1a\u770b\u5230\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>$(document).ready(function() {\r\n    <span style=\"color:green;\">\/\/ \u5c11\u5e74\u7684\u4f60\uff0c\u4ee3\u7801\u5199\u5728\u8fd9\u91cc...<\/span>\r\n});<\/pre>\n<p>\u6211\u4f1a\u7acb\u5373\u9a6c\u4e0a\u628a<code>$(document).ready<\/code>\u8fd9\u4e00\u6233\u4e1c\u897f\u5220\u6389\uff0c\u53ea\u8981\u4f60\u7684JS\u4ee3\u7801\u662f\u5728\u9875\u9762\u5e95\u90e8\u7684\uff0c\u8fd9\u4e9b\u90fd\u5b8c\u5168\u4e0d\u9700\u8981\uff0c\u653e\u5fc3\u5220\u9664\uff0c\u7edd\u5bf9\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898\uff0c\u76f4\u63a5\u4e0b\u9762\u8fd9\u6837\u5c31\u597d\u4e86\uff1a<\/p>\n<pre>(function() {\r\n    <span style=\"color:green;\">\/\/ <span style=\"position:absolute;opacity:0;\">zhangxinxu: <\/span>\u8fd9\u91cc\u4ee3\u7801...<\/span>\r\n})();<\/pre>\n<p>\u6267\u884c\u65f6\u673a\u66f4\u5feb\u3002<\/p>\n<h4>\u7ed3\u5408\u73b0\u72b6<\/h4>\n<p>\u51e0\u4e4e\u6240\u6709\u7684\u7f51\u9875\u6027\u80fd\u5206\u6790\u5de5\u5177\u90fd\u4f1a\u628aJS\u6587\u4ef6\u653e\u5728\u5e95\u90e8\u4f5c\u4e3a\u8003\u5bdf\u9879\u4e4b\u4e00\uff0cJS\u653e\u5728\u5e95\u90e8\u5df2\u7ecf\u7b97\u662f\u7f51\u9875\u5f00\u53d1\u5e38\u4e8b\u4e4b\u4e00\u4e86\u3002\u5f88\u591a\u840c\u65b0\u53ef\u80fd\u4e0d\u77e5\u9053\uff0c\u572810\u5e74\u524d\uff0c\u7edd\u5927\u591a\u6570\u7f51\u9875\u7684JavaScript\u5f15\u7528\u90fd\u662f\u5728<code>&lt;head&gt;<\/code>\u4e2d\u7684\uff0c\u6240\u4ee5\u90a3\u4e2a\u65f6\u671f\uff0c\u6709\u5927\u91cf\u7684\u6587\u7ae0\u63a2\u8ba8\u6587\u6863\u7684\u52a0\u8f7d\u673a\u5236\uff0cJS\u7684\u6267\u884c\u65f6\u95f4\u7b49\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u968f\u7740\u4e00\u5e74\u4e00\u5e74\u7684\u8fdb\u6b65\uff0c\u73b0\u5728\u8fd9\u6837\u7684\u73b0\u8c61\u5df2\u7ecf\u4e0d\u591a\u4e86\uff0c\u5927\u5bb6\u4e60\u60ef\u90fd\u6bd4\u8f83\u597d\uff0c\u9047\u4e0d\u5230\u95ee\u9898\uff0c\u81ea\u7136\u63a2\u8ba8\u7684\u5c31\u5c11\u4e86\uff0c\u63a2\u8ba8\u7684\u5c11\u4e86\uff0c\u5f88\u591a\u5f00\u53d1\u4eba\u5458\u5c31\u4e0d\u77e5\u9053\u8fd9\u6837\u7684\u4e8b\u60c5\uff0c\u4e5f\u5c31\u81ea\u7136\u4e0d\u4f1a\u7528\u4e86\uff0c\u6bd5\u7adf\uff0c\u8fd8\u6709\u5927\u628a\u7684\u65b0\u6280\u672f\u65b0\u6846\u67b6\u8981\u53bb\u5b66\u4e60\u5462\u3002<\/p>\n<p>\u8fd9\u5c31\u662f<code>document.readyState<\/code>\u4ee5\u53ca<code>'readystatechange'<\/code>\u4e8b\u4ef6\u73b0\u5728\u51fa\u73b0\u6bd4\u8f83\u5c11\u7684\u539f\u56e0\u3002<\/p>\n<p>\u9644\u4e0a\u5b9e\u9645\u5f00\u53d1<code>'readystatechange'<\/code>\u4e8b\u4ef6\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<pre>document.onreadystatechange = function () {\r\n    <span style=\"color:green;\">\/\/ document.readyState\u53d1\u751f\u53d8\u5316\u7684\u65f6\u5019\u6267\u884c<\/span>\r\n}<\/pre>\n<h3>\u4e09\u3001DOMContentLoaded\u4e8b\u4ef6<\/h3>\n<p><code>document.readyState<\/code>\u8d8a\u6765\u8d8a\u5c11\u7528\u5230\u7684\u53e6\u5916\u4e00\u4e2a\u539f\u56e0\uff0c\u5c31\u662f\u534a\u8def\u4e0a\u6740\u51fa\u4e00\u4e2a\u7a0b\u54ac\u91d1\u2014\u2014<code>'DOMContentLoaded'<\/code>\u4e8b\u4ef6\u3002<\/p>\n<p>DOMContentLoaded\u4e8b\u4ef6\u662fDOM Level 3\u65b0\u589e\u7684\u4e00\u4e2a\u4e8b\u4ef6\u7c7b\u578b\uff0cIE9+\u6d4f\u89c8\u5668\u652f\u6301\uff0c\u8868\u793aDOM\u8282\u70b9\u5185\u5bb9\u52a0\u8f7d\u5b8c\u6bd5\u3002<\/p>\n<pre>document.addEventListener('DOMContentLoaded', function () {});<\/pre>\n<p>\u6216\u8005\uff1a<\/p>\n<pre>window.addEventListener('DOMContentLoaded', function () {});<\/pre>\n<p>DOMContentLoaded\u8bbe\u8ba1\u521d\u8877\u5c31\u662f\u4e3a\u4e86\u65b9\u4fbfJS\u4ee3\u7801\u7684\u521d\u59cb\u5316\uff0c\u8981\u6bd4\u8bb0\u5f97\u8bb0\u4e0d\u4f4f\u7684<code>interactive<\/code>\u72b6\u6001\u5bb9\u6613\u7406\u89e3\uff0c\u4e5f\u5bb9\u6613\u4f7f\u7528\u7684\u591a\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u4e3a\u4e86\u63d0\u9632\u6211\u4eec\u7684JavaScript\u4ee3\u7801\u4e0d\u5c0f\u5fc3\u8dd1\u5230\u4e86\u9875\u9762\u7684\u9876\u90e8\uff0c\u9700\u8981\u786e\u4fdd\u5728DOM\u52a0\u8f7d\u5b8c\u6bd5\u4e4b\u540e\u6267\u884c\uff0c\u63a8\u8350\u4f7f\u7528\u4e0b\u9762\u4ee3\u7801\uff1a<\/p>\n<pre>window.addEventListener('DOMContentLoaded', function () {\r\n    <span style=\"color:green;\">\/\/ <span style=\"position:absolute;opacity:0;\">https:\/\/www.zhangxinxu.com\/<wbr>wordpress\/?p=9032<\/span>\u4ee3\u7801\u8fd9\u91cc... <\/span>\r\n});<\/pre>\n<p>\u7531\u4e8e<code>&lt;script&gt;<\/code>\u5143\u7d20\u672c\u8eab\u4e5f\u662fDOM\u5143\u7d20\uff0c\u56e0\u6b64\uff0c\u53ea\u8981\u811a\u672c\u4e0d\u662f\u5f02\u6b65\u52a0\u8f7d\u7684\uff0c\u65e0\u8bba\u653e\u5728\u9875\u9762\u4ec0\u4e48\u4f4d\u7f6e\uff0cDOMContentLoaded\u4e8b\u4ef6\u4e00\u5b9a\u4f1a\u89e6\u53d1\u3002<\/p>\n<p>\u6211\u4eec\u4e0d\u59a8\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50\uff0c\u4e86\u89e3\u66f4\u591a\u5173\u4e8eDOMContentLoaded\u4e8b\u4ef6\u89e6\u53d1\u66f4\u591a\u7ec6\u8282\u3002<\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a insert.js \u7684\u6587\u4ef6\uff0c\u91cc\u9762\u7684JS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><span style=\"color:olive;\">console.log('zxx\u88ab\u52a0\u8f7d\u4e86~' + document.readyState);<\/span>\r\nwindow.addEventListener('DOMContentLoaded', function () {\r\n    <span style=\"color:olive;\">console.log('CSS\u9009\u62e9\u5668\u8fd9\u672c\u4e66\u5f88\u8d5e\u54e6\uff01' + document.readyState);<\/span>\r\n});<\/pre>\n<p>\u7136\u540e\u8fd8\u6709\u4e00\u4e2a\u540d\u4e3aload-test.html\u7684\u9875\u9762\uff0c\u91cc\u9762\u4ee3\u7801\u8fd9\u6837\uff1a<\/p>\n<pre>&lt;body&gt;\r\n&lt;script src=\".\/insert.js\"&gt;&lt;\/script&gt;\r\n&lt;\/body&gt;<\/pre>\n<p>\u7ed3\u679c\u9875\u9762\u8fdb\u5165\uff0c\u63a7\u5236\u53f0\u51fa\u73b0\u4e86\u4e0b\u56fe\u6240\u793a\u7684\u7ed3\u679c\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/2019-10-26_235810.png\" width=\"320\" height=\"149\" alt=\"\u63a7\u5236\u53f0\u8f93\u51fa\u7ed3\u679c\u622a\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c<code>\"DOMContentLoaded\"<\/code>\u4e8b\u4ef6\u7ed1\u5b9a\u65f6\u5019\u6587\u6863\u72b6\u6001\u662f<code>'loading'<\/code>\uff0c\u6267\u884c\u7684\u65f6\u5019\u6587\u6863\u72b6\u6001\u662f\u53ef\u4ea4\u4e92\u7684<code>'interactive'<\/code>\u3002<\/p>\n<p>\u914d\u5408\u5176\u4ed6\u6d4b\u8bd5\uff08\u8fd9\u91cc\u4e0d\u5c55\u793a\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u7f51\u9875\u6587\u6863\u51e0\u4e2a\u52a0\u8f7d\u72b6\u6001\u53d8\u5316\u548c\u4e8b\u4ef6\u89e6\u53d1\u987a\u5e8f\u662f\u8fd9\u6837\u5b50\u7684\uff1a<\/p>\n<pre>\r\ndocument.readyState = 'loading'\r\n\u2193\r\ndocument.readyState\u53d8\u6210'interactive'\r\n\u2193\r\n'DOMContentLoaded'\u4e8b\u4ef6\u6267\u884c\r\n\u2193\r\ndocument.readyState\u53d8\u6210'complete'\r\n\u2193\r\n'load'\u4e8b\u4ef6\u6267\u884c\r\n<\/pre>\n<p>\u4ee5\u53ca\u53ef\u4ee5\u63a8\u6d4b\u51fa\u4e00\u4e2a\u7ed3\u8bba\uff1a<\/p>\n<p><strong>DOMContentLoaded\u4e8b\u4ef6\u5fc5\u987b\u5728\u6587\u6863\u72b6\u6001\u4e3aloading\u65f6\u5019\u7ed1\u5b9a\u624d\u6709\u6548\u3002<\/strong><\/p>\n<p>\u6b63\u662f\u7531\u4e8e\u4e0a\u9762\u63a8\u8bba\uff0c\u624d\u4f7f\u5f97document.readyState\u6709\u4e86\u5e94\u7528\u573a\u666f\u3002<\/p>\n<h3>\u56db\u3001\u9700\u8981\u7528\u5230document.readyState\u7684\u573a\u666f<\/h3>\n<p>\u7531\u4e8eDOMContentLoaded\u4e8b\u4ef6\u7ed1\u5b9a\u540e\u53ef\u80fd\u5e76\u4e0d\u4f1a\u6267\u884c\uff0c\u4e8e\u662f\u51fa\u73b0\u4e86\u9700\u8981\u7528\u5230document.readyState\u7684\u573a\u666f\u3002<\/p>\n<p>\u4ec0\u4e48\u65f6\u5019DOMContentLoaded\u4e8b\u4ef6\u4e0d\u4f1a\u6267\u884c\u5462\uff1f<\/p>\n<p>\u90a3\u5c31\u662f\u76f8\u5173\u811a\u672c\u662f\u5728\u9875\u9762DOM\u52a0\u8f7d\u5b8c\u6bd5\u540e\u6267\u884c\u7684\u573a\u666f\u4e0b\u3002<\/p>\n<p>\u773c\u89c1\u4e3a\u5b9e\uff0c\u6211\u4eec\u770b\u4f8b\u5b50\uff1a<\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3a insert.js \u7684\u6587\u4ef6\uff0c\u91cc\u9762\u7684JS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><span style=\"color:olive;\">console.log('zxx\u88ab\u52a0\u8f7d\u4e86~' + document.readyState);<\/span>\r\nwindow.addEventListener(\"DOMContentLoaded\", function () {\r\n    <span style=\"color:olive;\">console.log('CSS\u9009\u62e9\u5668\u8fd9\u672c\u4e66\u5f88\u8d5e\u54e6\uff01');<\/span>\r\n});<\/pre>\n<p>\u7136\u540e\u8fd8\u6709\u4e00\u4e2a\u540d\u4e3aload-test.html\u7684\u9875\u9762\uff0c\u91cc\u9762\u4ee3\u7801\u8fd9\u6837\uff1a<\/p>\n<pre>&lt;body&gt;\r\n&lt;script&gt;\r\nvar eleScript = document.createElement('script');\r\neleScript.src = '.\/insert.js';\r\ndocument.head.appendChild(eleScript);\r\n&lt;\/script&gt;\r\n&lt;\/body&gt;<\/pre>\n<p>\u7ed3\u679c\u9875\u9762\u8fdb\u5165\uff0c\u63a7\u5236\u53f0\u53ea\u6709<code>'zxx\u88ab\u52a0\u8f7d\u4e86~'<\/code>\u7684\u6587\u6848\uff0c\u5e76\u6ca1\u6709DOMContentLoaded\u4e8b\u4ef6\u4e2d\u7684console.log\u8f93\u51fa\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/2019-10-27_001245.png\" width=\"250\" height=\"144\" alt=\"\u63a7\u5236\u53f0\u8f93\u51fa\u7ed3\u679c\u622a\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u56e0\u4e3aDOMContentLoaded\u4e8b\u4ef6\u7ed1\u5b9a\u7684\u65f6\u5019\uff0c\u9875\u9762\u7684\u51c6\u5907\u72b6\u6001\u5df2\u7ecf\u662f<code>'interactive'<\/code>\u800c\u4e0d\u662f<code>'loading'<\/code>\u4e86\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/201910\/load-test.html\" rel=\"noopener\" target=\"_blank\">DOMContentLoaded\u4e8b\u4ef6\u6267\u884c\u65f6\u673ademo<\/a><\/p>\n<hr>\n<p>\u5982\u679cinsert.js\u662f\u4e00\u4e2a\u516c\u7528\u7ec4\u4ef6\uff0c\u5c24\u5176\u4ee5\u540e\u4f1a\u5f00\u6e90\u7684\u90a3\u79cd\uff0c\u90a3\u52bf\u5fc5\u8981\u8003\u8651\u5230\u5404\u79cd\u52a0\u8f7d\u573a\u666f\uff0c\u9875\u9762\u7684\u5934\u90e8\uff0c\u9875\u9762\u5e95\u90e8\uff0c\u6216\u8005\u5f02\u6b65\u52a8\u6001\u52a0\u8f7d\uff0c\u6b64\u65f6\uff0c\u5355\u7eaf\u9760DOMContentLoaded\u4e8b\u4ef6\u53ea\u80fd\u8986\u76d6\u524d\u4e24\u79cd\u60c5\u51b5\uff0c\u5f02\u6b65\u52a8\u6001\u52a0\u8f7d\u65e0\u80fd\u4e3a\u529b\u3002<\/p>\n<p>\u6b64\u65f6\uff0c\u4e00\u76f4\u8ba4\u4e3a\u6ca1\u4ec0\u4e48\u9524\u5b50\u7528\u7684document.readyState\u5012\u662f\u6392\u4e0a\u4e86\u7528\u573a\uff0c\u5047\u8bbe\u7ec4\u4ef6\u7684\u521d\u59cb\u65b9\u6cd5\u540d\u4e3ainit\uff0c\u5219\u597d\u7684\u5b9e\u73b0\u65b9\u6cd5\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<pre><span style=\"color:#cd0000;\">if (document.readyState != 'loading') {<\/span>\r\n    init();\r\n} else {\r\n    window.addEventListener(\"DOMContentLoaded\", function () {\r\n        init();\r\n    });\r\n}<\/pre>\n<p>\u8fd9\u662f\u5f53\u4e0b\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u552f\u4e00\u9700\u8981\u4f7f\u7528<code>document.readyState<\/code>\u7684\u573a\u666f\uff0c\u5728\u5f00\u6e90\u6216\u8005\u5927\u89c4\u6a21\u4f7f\u7528\u7684\u6846\u67b6\u6216\u7ec4\u4ef6\u4e2d\u7cbe\u51c6\u521d\u59cb\u5316\u4f7f\u7528\u3002<\/p>\n<p>\u60f3\u5fc5\u5f88\u591a\u524d\u7aef\u5f00\u53d1\u4e00\u8f88\u5b50\u90fd\u6ca1\u673a\u4f1a\u7528\u5230\u4e86\u3002<\/p>\n<h3>\u4e94\u3001\u7ed3\u675f\u7684\u5b89\u5229<\/h3>\n<p>\u8001\u5a46\u5927\u4eba\u8ba9\u6211\u5199\u6587\u7ae0\u65f6\u5019\u987a\u4fbf\u63a8\u4e00\u4e0b\u81ea\u5df1\u7684\u4e66\u300aCSS\u9009\u62e9\u5668\u4e16\u754c\u300b\uff0c\u9886\u5bfc\u547d\u4ee4\u90a3\u5fc5\u987b\u8981\u9075\u5faa\u7684\u3002<\/p>\n<p>\u81ea\u5df1\u518d\u600e\u4e48\u725b\u76ae\u4e0a\u5929\u4e5f\u6ca1\u4ec0\u4e48\u7528\uff0c\u6211\u4e5f\u4e0d\u559c\u6b22\u5938\u5927\u5176\u8bcd\uff0c\u5927\u5bb6\u4e0d\u59a8\u53bb\u7f51\u5e97\uff0c\u6216\u8005\u95ee\u95ee\u4e70\u8fc7\u8fd9\u672c\u4e66\uff0c\u901a\u8fc7\u770b\u8fc7\u4eba\u7684\u8bc4\u4ef7\uff0c\u6211\u6562\u4fdd\u8bc1\uff0c\u80af\u5b9a\u90fd\u662f\u8d5e\u8a89\uff0c\u8fd9\u4e48\u591a\u5e74\u7684\u6280\u672f\u7814\u7a76\u4e0d\u662f\u767d\u79ef\u7d2f\u7684\uff0c\u8981\u662f\u5b66\u4e0d\u5230\u4e1c\u897f\u76f4\u63a5\u627e\u6211\u9000\u8d27\u3002<\/p>\n<p>\u53e6\u5916\u300aCSS\u9009\u62e9\u5668\u4e16\u754c\u300b\u548c\u300aCSS\u4e16\u754c\u300b\u7684\u5185\u5bb9\u6ca1\u6709\u4e00\u4e1d\u91cd\u590d\uff0c\u653e\u5fc3\u54c1\u5c1d\u3002<\/p>\n<style>.weidian-div{display:none;}@media all and (max-width:480px) {.weidian-div{display:block;}.taobao-div{display:none;}}<\/style>\n<div class=\"taobao-div\">\u5982\u679c\u60f3\u8981\u6211\u7684\u7b7e\u540d\uff08\u9001\u4e66\uff09\u53ef\u4ee5\u53bb<a href=\"https:\/\/item.taobao.com\/item.htm?spm=a1z10.1-c-s.w4004-22138415662.2.5a4b3f93ZCKVpe&#038;id=606104627777\" rel=\"noopener\" target=\"_blank\">\u6dd8\u5b9d\u8fd9\u91cc<\/a>\u8d2d\u4e70\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/tao-css-selector-new.png\" width=\"150\" height=\"150\" alt=\"\u6dd8\u5b9d\u4e8c\u7ef4\u7801\" class=\"alignnone size-medium\" \/><\/div>\n<div class=\"weidian-div\">\u5982\u679c\u60f3\u8981\u5e26\u6709\u6211\u7684\u4eb2\u7b14\u7b7e\u540d\u7684\u4e66\u7c4d\u53ef\u4ee5\u5728\u5fae\u4fe1\u4e2d<a href=\"https:\/\/weidian.com\/item.html?itemID=2996663073\" rel=\"noopener\">\u8bbf\u95ee\u5fae\u5e97<\/a>\u8d2d\u4e70\uff08\u65e0\u9700\u4e0b\u8f7dAPP\uff09\u3002<\/p>\n<p>\u6216\u8005\u8bc6\u522b\u4e0b\u9762\u7684\u4e8c\u7ef4\u7801\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/201910\/wd-css-selector.png\" width=\"150\" height=\"150\" alt=\"\u5fae\u5e97\u4e8c\u7ef4\u7801\" class=\"alignnone size-medium\" \/><\/div>\n<hr>\n<p>\u627e\u201c\u767e\u5206\u4e4b\u4e00\u4ebf\u201d\u8fd9\u79cd\u914d\u56fe\u7684\u65f6\u5019\u53d1\u73b0\u4e86\u4e00\u5f20\u6709\u610f\u601d\u7684\u56fe\uff0c\u5c31\u662f\u4e0b\u9762\u8fd9\u4e2a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/eat-something-s.jpg\" width=\"320\" height=\"180\" alt=\"\u5403\u836f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u5403\u836f\u7684\u56fe\uff0c\u4f46\u662f\u5982\u679c\u52a0\u4e00\u70b9\u9a6c\u8d5b\u514b\uff0c\u5c31\u4f1a\u53d1\u73b0\u5473\u9053\u5b8c\u5168\u4e0d\u4e00\u6837\u4e86\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/eat-something-msk.jpg\" width=\"320\" height=\"180\" alt=\"\u6dfb\u52a0\u9a6c\u8d5b\u514b\u540e\" class=\"alignnone size-medium\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/emtion\/emoji\/1f631.svg\" width=\"20\" height=\"20\" align=\"absmiddle\"><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u6b22\u8fce\u5206\u4eab\uff0c\u52ff\u5168\u6587\u8f6c\u8f7d\uff0c\u5982\u679c\u5185\u5bb9\u4f60\u5b9e\u5728\u559c\u6b22\uff0c\u53ef\u4ee5\u52a0\u5165\u6536\u85cf\u5939\uff0c\u6c38\u4e0d\u8fc7\u671f\uff0c\u800c\u4e14\u8fd8\u4f1a\u53ca\u65f6\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u9519\u8bef\uff0c\u9605\u8bfb\u4f53\u9a8c\u4e5f\u66f4\u597d\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9032\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=9032<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201910\/clock-thumb0.jpg\" width=\"161\" height=\"100\" alt=\"document.readyState\u5934\u56fe\" class=\"alignright size-medium\" \/><\/p>\n<p>\u539f\u672c\u4ee5\u4e3adocument.readyState\u662f\u4e2a\u9e21\u808b\u5c5e\u6027\uff0c\u76ee\u524d\u6ca1\u673a\u4f1a\u4f7f\u7528\uff0c\u4f46\u662f\u6700\u8fd1\u7684\u5b9e\u8df5\u53d1\u73b0\u8fd8\u662f\u5b58\u5728\u4e00\u4e2a\u573a\u666f\uff0c\u662f\u9700\u8981\u501f\u52a9document.readyState\u7684\uff0c\u90a3\u5c31\u662f\u5f00\u6e90\u6216\u8005\u5927\u89c4\u6a21\u7ec4\u4ef6\u4e2d\u7684\u4ee3\u7801\u521d\u59cb\u5316\u7684\u65f6\u5019\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1284],"tags":[215,870,182,1503,1273,1505,1504],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/9032"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=9032"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/9032\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=9032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=9032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=9032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}