/******

        Detecting Windows Internet Explorer and Microsoft Edge More Effectively

        @author: Pedro Macedo Minchán

        @thread: https://stackoverflow.com/a/34883022

        @inspired: https://codepen.io/gapcode/pen/vEJNZN

        @inspired: https://gist.github.com/jalbertbowden/5174156

        @date: 26-05-2017/UTC-05

        @update: 31/05/2017

        @ver: 0.8

        @URL: http://jsfiddle.net/Webnewbie/apa1nvu8/embedded/

        @test: IE[4-11] && Edge12+

        @Works on AllStandardMode and in CompatibilityMode <=IE11:

        var IE_lte_10 = ( !!document.all && +( /msie\s(\d+)/i.exec( window.navigator.userAgent )[1] ) ) || NaN; // No works in EdgeHTML Mode

        var IE_11 = ( !!window.MSInputMethodContext && "ActiveXObject" in window && +(/trident(?:.*rv:([\d.]+))?/i.exec( window.navigator.userAgent)[1] ) ) || NaN; // No works in EdgeHTML Mode

        var EDGE_gte_12 = ( !!window.MSInputMethodContext && !document.uniqueID && +(/Edge\/(\d+)/i.exec( window.navigator.userAgent)[1] ) ) || NaN;

*******/

​

        //All Standards and Compatibility Mode

    var uA = window.navigator.userAgent,

        onlyIEorEdge = /msie\s|trident\/|edge\//i.test(uA) && !!( document.uniqueID || window.MSInputMethodContext),

        checkVersion = (onlyIEorEdge && +(/(edge\/|rv:|msie\s)([\d.]+)/i.exec(uA)[2])) || NaN,

        result = document.getElementById('resultado');

​

    document.getElementById('detalles').innerHTML = uA;

​

    result.innerHTML = !isNaN(checkVersion) ? 'You\'re using ' + (checkVersion >= 12 ? 'Microsoft Edge ' : 'Windows Internet Explorer ') + checkVersion : 'You\'re not using Microsoft\'s Browser.';