{"id":1211,"date":"2024-11-10T14:58:57","date_gmt":"2024-11-10T06:58:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1211\/"},"modified":"2024-11-10T14:58:57","modified_gmt":"2024-11-10T06:58:57","slug":"%e5%a6%82%e4%bd%95%e7%94%a8-javascript-%e8%be%a8%e8%af%86%e6%b5%8f%e8%a7%88%e5%99%a8%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1211\/","title":{"rendered":"\u5982\u4f55\u7528 JavaScript \u8fa8\u8bc6\u6d4f\u89c8\u5668\u7c7b\u578b\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173029944459802.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u7528 JavaScript \u8fa8\u8bc6\u6d4f\u89c8\u5668\u7c7b\u578b\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u7528 JavaScript \u8fa8\u8bc6\u6d4f\u89c8\u5668\u7c7b\u578b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u8fa8\u8bc6\u6d4f\u89c8\u5668\u7c7b\u578b<\/strong><\/p>\n<p>\u5982\u4f55\u533a\u5206\u4e0d\u540c\u6d4f\u89c8\u5668\uff0c\u4f8b\u5982 chrome\u3001firefox\u3001safari \u7b49\uff1f\u8fd9\u662f\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u5f88\u6709\u7528\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u7b80\u5355\u5b9e\u7528\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u4f7f\u7528 javascript \u7684 <strong>navigator.useragent<\/strong> \u5c5e\u6027\u53ef\u4ee5\u83b7\u53d6\u6d4f\u89c8\u5668\u7684\u6807\u8bc6\u7b26\u3002\u8be5\u5c5e\u6027\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5305\u542b\u6709\u5173\u6d4f\u89c8\u5668\u7684\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u89e3\u6790\u6b64\u5b57\u7b26\u4e32\u4ee5\u6807\u8bc6\u7279\u5b9a\u7684\u6d4f\u89c8\u5668\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u8bc6\u522b\u4e0d\u540c\u6d4f\u89c8\u5668\u7684\u7b80\u5355 javascript \u4ee3\u7801\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>function myBrowser() {\n  var userAgent = navigator.userAgent;\n  var isOpera = userAgent.indexOf(\"Opera\") &gt; 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