IE11 no longer reports as MSIE
, according to this list of changes it’s intentional to avoid mis-detection.
What you can do if you really want to know it’s IE is to detect the Trident/
string in the user agent if navigator.appName
returns Netscape
, something like (the untested);
function getInternetExplorerVersion()
{
var rv = -1;
if (navigator.appName == 'Microsoft Internet Explorer')
{
var ua = navigator.userAgent;
var re = new RegExp("MSIE ([0-9]{1,}[\\.0-9]{0,})");
if (re.exec(ua) != null)
rv = parseFloat( RegExp.$1 );
}
else if (navigator.appName == 'Netscape')
{
var ua = navigator.userAgent;
var re = new RegExp("Trident/.*rv:([0-9]{1,}[\\.0-9]{0,})");
if (re.exec(ua) != null)
rv = parseFloat( RegExp.$1 );
}
return rv;
}
console.log('IE version:', getInternetExplorerVersion());
Note that IE11 (afaik) still is in preview, and the user agent may change before release.