<script type="text/javascript">
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) { //test for MSIE x.x;
var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
if (ieversion>=8)
document.write("You're using IE8 or above")
else if (ieversion>=7)
document.write("You're using IE7.x")
else if (ieversion>=6)
document.write("You're using IE6.x")
else if (ieversion>=5)
document.write("You're using IE5.x")
}
else
document.write("n/a")
</script>
Sniffing user agent is not a “safe” solution.
I prefer the Dean Edwards one:
var isMSIE = /*@cc_on!@*/false;
(More here: http://dean.edwards.name/weblog/2007/03/sniff/ )
Or simply use what has already been built and not rewrite it:
if ($.browser.ie) { … }
using conditional comments is a lot easier, is’nt it?
The problem with conditional comments is that IE 10 no longer supports them