IE 10 Specific Styles

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Conditional comments are gone in IE 10. That’s good. IE 10 is a very good browser. Feature detection is a better way to go in nearly all cases. But what if you find some styling situation where you absolutely need to target IE 10? I guess you’ll have to do this.

Rogie posted a really simple idea a while back that should still work great for this. Add the User Agent to the <html> element with a tiny bit of JavaScript:

var doc = document.documentElement;
doc.setAttribute('data-useragent', navigator.userAgent);

IE 10’s User Agent string is:

Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)

Which will result in:

<html data-useragent="Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)">

And you can then style like:

html[data-useragent*='MSIE 10.0'] h1 {
  color: blue;
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