How can I detect Internet Explorer (IE) and Microsoft Edge using JavaScript?

Question

I\'ve looked around a lot, and I understand that there\'s a lot of ways to detect internet explorer.

My problem is this: I have an area on my HTML document, that when

Answer 1

First of all its not the Notepad++ problem for sure. Its your "String Matching problem"

The common string throughout all IE version is MSIE Check out the various userAgent strings at http://www.useragentstring.com/pages/Internet%20Explorer/

if(navigator.userAgent.indexOf("MSIE") != -1){
   alert('I am Internet Explorer!!');
}