js browser detection for IE


js browser detection for IE



My question is the folowing

Is there a solid javascript code to detect if a browser is IE(I don't care about others)

I found some script, but it generates an undefined error in FF.

I edited my question because I found some regex serverside solution for this on this forum It's enough for now.

thanks, Richard




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<!DOCTYPE your favorite doc type>       <html>         <head>...</head>          <body>             <!--[if IE]>                     <div id="IEroot">             <![endif]-->                      <p id="IE">This browser is IE.</p>                      <p id="notIE">This browser is not IE.</p>             <!--[if IE]>                     </div>             <![endif]-->         </body>      </html> 
You can use it and put script tag between it to define Javascript action only for IE..
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navigator. object.
navigator.appName 
will give the browser name and.
navigator.appVersion 
will give the browser version.. Another one is listed here. Browser detect.


3:


You can check browser either by using Javascript or jQuery.

Javascript provides Navigator object using that you can check like:.
function getBrowserName()   {     if(navigator.appName=="Microsoft Internet Explorer") {         alert("This is " + navigator.appName + " Browser");   } } 
You can look example here: http://www.codegateway.com/2012/09/detect-ie-browser-javascript.html. And jQuery have Browser Object that we can use to detect browser like:.
function getBrowser()  {    if ($.browser.msie) {         alert('IE');     }  } 
See example here: http://www.codegateway.com/2012/09/detect-ie-browser-jquery.html.


4:


<script type="text/javascript"> function getInternetExplorerVersion()  {   var rv = -1;    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; } function checkVersion() {   var msg = "You're not using Internet Explorer.";   var ver = getInternetExplorerVersion();    if ( ver > -1 )   {     if ( ver >= 8.0 )        msg = "You're using a recent copy of Internet Explorer."     else       msg = "You should upgrade your copy of Internet Explorer.";   }   alert( msg ); } </script> 


5:


navigator.userAgent can be used.

The following detect if browser is IE version <= 9:.
var browserIEInfo = navigator.userAgent.match(/MSIE (([0-9]+)(\.[0-9]+)?)/); if (browserIEInfo === null || parseInt(browserIEInfo[2]) > 9){     // code for non IE or for IE version > 9 }  // code for IE <= 9  



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