JavaScript Tutorial/Development/Browser Detect

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Browser Detective

   <source lang="javascript">

<html> <head> <title>Browser Detective</title> <script> var bVersion = 0; var isNav = false; var isIE = false; function checkBrowser(){ 

 if (navigator.appName == "Netscape"){
   isNav = true;
 } else {
   if (navigator.appName == "Microsoft Internet Explorer"){
     isIE = true;
   }
 }
 bVersion = parseInt(navigator.appVersion);
 if (bVersion < 4){
   alert("Consider getting a newer browser! This code might not work!");
 }
 if ((!isNav) && (!isIE)){
   alert("I do not recognize this browser. This code might not work");
 }

} </script> </head> <body>

Browser Detective

<script> checkBrowser(); if (isNav){ 

 document.write("Netscape Navigator");

} else { 

 if (isIE){
   document.write("Internet Explorer");
 }

} </script>

</body> </html></source>

Источник — «http://wbex.ru/index.php?title=JavaScript_Tutorial/Development/Browser_Detect&oldid=8449»