{"id":3220,"date":"2024-11-10T16:50:16","date_gmt":"2024-11-10T08:50:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3220\/"},"modified":"2024-11-10T16:50:16","modified_gmt":"2024-11-10T08:50:16","slug":"js%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%adie%e7%9a%84%e7%89%88%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3220\/","title":{"rendered":"js\u5982\u4f55\u5224\u65adie\u7684\u7248\u672c"},"content":{"rendered":"<blockquote><p>\n  \u5bf9\u4e8e javascript \u4e2d\u5982\u4f55\u5224\u65ad ie \u7248\u672c\uff0c\u6709\u4e94\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 useragent \u5b57\u7b26\u4e32\u6765\u5339\u914d\u7248\u672c\u53f7\u3002\u4f7f\u7528 documentmode \u5c5e\u6027\u6765\u83b7\u53d6\u517c\u5bb9\u6a21\u5f0f\u4e0b\u7684\u6587\u6863\u7248\u672c\u3002\u4f7f\u7528\u6761\u4ef6\u6ce8\u91ca\u6765\u6839\u636e ie \u7248\u672c\u5b9a\u5411\u4ee3\u7801\u3002\u4f7f\u7528\u517c\u5bb9\u6027\u89c6\u56fe\u6807\u5fd7\u6765\u68c0\u67e5 ie \u662f\u5426\u5448\u73b0\u4e3a\u65e7\u7248\u672c\u3002\u4f7f\u7528 activex \u5bf9\u8c61\u6765\u83b7\u53d6\u7248\u672c\u4fe1\u606f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110807333381202.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u5224\u65adie\u7684\u7248\u672c\u63d2\u56fe\" alt=\"js\u5982\u4f55\u5224\u65adie\u7684\u7248\u672c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u5224\u65ad IE \u7248\u672c<\/strong><\/p>\n<p>\u786e\u5b9a IE \u7248\u672c\u5bf9\u4e8e\u9488\u5bf9\u4e0d\u540c\u529f\u80fd\u6216\u9519\u8bef\u5904\u7406\u7684 Web \u5f00\u53d1\u81f3\u5173\u91cd\u8981\u3002JavaScript \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<p><strong>1. \u4f7f\u7528 userAgent \u5b57\u7b26\u4e32<\/strong><\/p>\n<p>userAgent \u5b57\u7b26\u4e32\u5305\u542b\u6709\u5173\u6d4f\u89c8\u5668\u548c\u8bbe\u5907\u7684\u4fe1\u606f\uff0c\u5305\u62ec IE \u7248\u672c\u3002<\/p>\n<pre>const userAgent = navigator.userAgent;\nconst ieVersion = userAgent.match(\/MSIE ([0-9.]+)\/)[1];<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528 documentMode<\/strong><\/p>\n<p>documentMode \u5c5e\u6027\u8fd4\u56de\u4e0e IE \u517c\u5bb9\u6a21\u5f0f\u4e0b\u8fd0\u884c\u7684\u6587\u6863\u7248\u672c\u3002<\/p>\n<pre>const documentMode = document.documentMode;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>3. \u4f7f\u7528\u6761\u4ef6\u6ce8\u91ca<\/strong><\/p>\n<p>\u6761\u4ef6\u6ce8\u91ca\u662f IE \u7279\u6709\u7684\u6ce8\u91ca\uff0c\u53ef\u6839\u636e IE \u7248\u672c\u5bf9\u4ee3\u7801\u8fdb\u884c\u5b9a\u5411\u3002<\/p>\n<pre>&lt;!--[if IE 9]&gt;\n  \/\/ IE 9 \u4ee3\u7801\n&lt;![endif]--&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>4. \u4f7f\u7528\u517c\u5bb9\u6027\u89c6\u56fe\u6807\u5fd7<\/strong><\/p>\n<p>\u517c\u5bb9\u6027\u89c6\u56fe\u6807\u5fd7\u7528\u4e8e\u5c06 IE \u5448\u73b0\u4e3a\u65e7\u7248\u672c\u3002<\/p>\n<pre>const isCompatibleView = !!(window.external &amp;&amp; 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