How can I target only Internet Explorer 11 with JavaScript?

Question

What\'s the least error-prone way to target just IE11 with JavaScript?

Note: This should really only be done for analytics or informing the user what browser they\'r

Answer 1

var isIE11 = !!navigator.userAgent.match(/Trident\/7.0; rv 11/);

Source: http://www.nczonline.net/blog/2013/07/02/internet-explorer-11-dont-call-me-ie/