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| // Check to see if jQuery is loaded. If not, load it from the public jQuery CDN. | |
| if (typeof jQuery == 'undefined') { | |
| // Load the latest jQuery library from jQuery | |
| document.write("\<script src='http://code.jquery.com/jquery-latest.min.js' type='text/javascript'>\<\/script>"); | |
| } | |
| // Create new ieUserAgent object | |
| var ieUserAgent = { | |
| init: function () { | |
| // Get the user agent string | |
| var ua = navigator.userAgent; | |
| this.compatibilityMode = false; | |
| // Detect whether or not the browser is IE | |
| var ieRegex = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); | |
| if (ieRegex.exec(ua) == null) | |
| this.exception = "The user agent detected does not contai Internet Explorer."; | |
| // Get the current "emulated" version of IE | |
| this.renderVersion = parseFloat(RegExp.$1); | |
| this.version = this.renderVersion; | |
| // Check the browser version with the rest of the agent string to detect compatibility mode | |
| if (ua.indexOf("Trident/6.0") > -1) { | |
| if (ua.indexOf("MSIE 7.0") > -1) { | |
| this.compatibilityMode = true; | |
| this.version = 10; // IE 10 | |
| } | |
| } | |
| else if (ua.indexOf("Trident/5.0") > -1) { | |
| if (ua.indexOf("MSIE 7.0") > -1) { | |
| this.compatibilityMode = true; | |
| this.version = 9; // IE 9 | |
| } | |
| } | |
| else if (ua.indexOf("Trident/4.0") > -1) { | |
| if (ua.indexOf("MSIE 7.0") > -1) { | |
| this.compatibilityMode = true; | |
| this.version = 8; // IE 8 | |
| } | |
| } | |
| else if (ua.indexOf("MSIE 7.0") > -1) | |
| this.version = 7; // IE 7 | |
| else | |
| this.version = 6; // IE 6 | |
| } | |
| }; | |
| // Initialize the ieUserAgent object | |
| ieUserAgent.init(); |
| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <title>Testing IE Compatibility Mode</title> | |
| <script src="ieUserAgent.js" type="text/javascript"></script> | |
| </head> | |
| <body> | |
| <div id="results">Results:</div> | |
| <script type="text/javascript"> | |
| var val = "IE" + ieUserAgent.version; | |
| if (ieUserAgent.compatibilityMode) | |
| val += " Compatibility Mode (IE" + ieUserAgent.renderVersion + " emulation)"; | |
| $("#results").html("We have detected the following IE browser: " + val); | |
| </script> | |
| </body> | |
| </html> |
From this page:
http://msdn.microsoft.com/en-us/library/ms537503(v=vs.85).aspx
When Internet Explorer is in Compatibility Mode (IE >= 8), then it sends a user angent:
... MSIE ${versionEmulated}; Trident/${realVersion} ...
So, by example, in my IE8:
Normal mode
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.1.4322; .NET4.0C)
compatibility mode:
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.1.4322; .NET4.0C)
browscap is detecting IE8 in compatibility mode as IE7, which I think as incorrect.
Some expresions with Trident are misplaced (placed on the section of version indicated by MSIE instead of the section that matches Trident).
Solution: move and change expresions with Trident to the real matching IE.
Trident/4.0 -> Internet Explorer 8
Trident/5.0 -> Internet Explorer 9
Trident/6.0 -> Internet Explorer 10
Trident/7.0 -> Internet Explorer 11
Check this link for IE11
https://groups.google.com/forum/#!msg/browscap/40-5XTokTjM/CoS_BbmUoeYJ