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用JavaScript如何找到網頁瀏覽器的名稱和版本?

王林
王林轉載
2023-09-19 17:37:02858瀏覽

用JavaScript如何找到網頁瀏覽器的名稱和版本?

要尋找網頁瀏覽器的名稱和版本,您需要嘗試以下程式碼 -

範例

<html>
   <head>
      <title>Browser Detection Example</title>
   </head>
   <body>
      <script>
         <!--
            var userAgent = navigator.userAgent;
            var opera = (userAgent.indexOf(&#39;Opera&#39;) != -1);
            var ie = (userAgent.indexOf(&#39;MSIE&#39;) != -1);
            var gecko = (userAgent.indexOf(&#39;Gecko&#39;) != -1);
            var netscape = (userAgent.indexOf(&#39;Mozilla&#39;) != -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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