用JavaScript如何找到网页浏览器的名称和版本？

前端开发教程 2025-03-07 0

要查找网络浏览器的名称和版本，您需要尝试以下代码 –

示例

<html>
   <head>
      <title>Browser Detection Example</title>
   </head>
   <body>
      <script>
         <!--
            var userAgent = navigator.userAgent;
            var opera = (userAgent.indexOf('Opera') != -1);
            var ie = (userAgent.indexOf('MSIE') != -1);
            var gecko = (userAgent.indexOf('Gecko') != -1);
            var netscape = (userAgent.indexOf('Mozilla') != -1);
            var version = navigator.appVersion;

            if (opera) {
               document.write(Opera based browser);
               // Keep your opera specific URL here.
            }
            else if (gecko) {
               document.write(Mozilla based browser);
               // Keep your gecko specific URL here.
            }
            else if (ie) {
               document.write(IE based browser);
               // Keep your IE specific URL here.
            }
            else if (netscape) {
               document.write(Netscape based browser);
               // Keep your Netscape specific URL here.
            } else {
               document.write(Unknown browser);
            }
            // You can include version to along with any above condition.
            document.write(<br /> Browser version info :  + version );
         //-->
      </script>
   </body>
</html>

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