topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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basic-javascript-05-ch5-examp7.htm / htm



  <html>
  <head>
  <script language="JavaScript" type="text/JavaScript">
  
  function getBrowserName()
  {
     var lsBrowser = navigator.userAgent;
     if (lsBrowser.indexOf("MSIE") >= 0)
     {
        lsBrowser = "MSIE";
     }
     else if (lsBrowser.indexOf("Netscape") >= 0)
     {
        lsBrowser = "Netscape";
     }
     else if (lsBrowser.indexOf("Firefox") >= 0)
     {
        lsBrowser = "Firefox";
     }
     else if (lsBrowser.indexOf("Safari") >= 0)
     {
             lsBrowser = "Safari";
     }
     else if (lsBrowser.indexOf("Opera") >= 0)
     {
             lsBrowser = "Opera";
     }
     else
     {
             lsBrowser = "UNKNOWN";
     }
     return lsBrowser;
  }
  
  function getBrowserVersion()
  {
     var findIndex;
     var browserVersion = 0;
     var browser = getBrowserName();
  
     browserVersion = navigator.userAgent;
     findIndex = browserVersion.indexOf(browser) + browser.length + 1;
     browserVersion = parseFloat(browserVersion.substring(findIndex,findIndex + 3));
     return browserVersion;
  }
  
  </script>
  </head>
  <body>
  <script language="JavaScript" type="text/JavaScript">
  
  var browserName = getBrowserName();
  var browserVersion = getBrowserVersion();
  
  if (browserName == "MSIE")
  {
     if (browserVersion < 5.5)
     {
                     document.write("Your version of Internet Explorer is too old");
     }
     else
     {
                     document.write("Your version of Internet Explorer is fully supported");
     }
     
  }
  else if (browserName == 'Firefox')
  {
     document.write("Firefox is fully supported");
  }
  else if (browserName == 'Netscape')
  {
          if (browserVersion < 6)
          {
                  document.write("Your version of Netscape is too old");        
          }
          else
          {
                  document.write("Your version of Netscape is fully supported");
          }
  }
  else
  {
     document.write("<h2>Sorry this browser version is not supported</h2>");
  }
  
  </script>
  <noscript>
     <h2>This website requires a browser supporting scripting</h2>
  </noscript>
  </body>
  </html>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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