Is there a method to programmatically identify enterprise mode in IE11?

Is it possible to detect Internet Explorer 11 Enterprise mode programmatically?

This would involve detecting at the server side using C# or JavaScript/jQuery.

The discussion on the following thread has not reached a conclusive answer:

IE 11 - Is there a way to check then enable / disable enterprise mode?

Answer №1

To confirm the User Agent string, you can utilize the following method using Javascript: navigator.userAgent;

When accessing IE11 Enterprise Mode on a desktop, the User agent string will appear as:

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; Tablet PC 2.0)

For further information, please visit https://msdn.microsoft.com/en-us/library/hh869301(v=vs.85).aspx

Answer №2

To trigger IE into a compatibility mode, you can either send the X-UA-Compatible HTTP Header or use a META tag in your page's HEAD. If you don't do this, IE will run in normal mode.

If you want to check browser compatibility, one way to do so is by writing a jQuery AJAX call that attempts to use a JavaScript function known to not work in older versions of IE within a try-catch block, and then POST the result to your application.

For example, the trim() function doesn't work in IE8

var str = "       Hello World!        ";
var a = (str.trim());
if(a == "Hello World!"){
  //Ajax Post true
} else {
  //Ajax Post false
}

This approach should work because if enterprise mode is activated, it will function correctly within IE8.

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