Posted By

satie83 on 03/31/12

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Last Edited at 03/31/12 08:35pm

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Javascript - Obtain explorer version

/ Published in: JavaScript

Returns the version of Windows Internet Explorer or a -1 (indicating the use of another browser).

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// Returns the version of Windows Internet Explorer or a -1
// (indicating the use of another browser).
function getInternetExplorerVersion()
{
   var rv = -1; // Return value assumes failure.
 
   if (navigator.appName == 'Microsoft Internet Explorer')
   {
      var ua = navigator.userAgent;
      var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
      if (re.exec(ua) != null)
         rv = parseFloat( RegExp.$1 );
   }
 
   return rv;
}