When researching JavaScript conditional comments for IE, I stumbled upon @cc_on. This seems to work. However, the wikipedia entry on conditional comments provides the following code for more robust IE detections, specifically IE6:
/*@cc_on
@if (@_jscript_version > 5.7)
document.write("You are using IE8+");
@elif (@_jscript_version == 5.7 && window.XMLHttpRequest)
document.write("You are using IE7");
@elif (@_jscript_version == 5.6 || (@_jscript_version == 5.7 && !window.XMLHttpRequest))
document.write("You are using IE6");
@elif (@_jscript_version == 5.5)
document.write("You are using IE5.5");
@else
document.write("You are using IE5 or older");
@end
@*/
The issue is, I'm getting an "expected constant" javascript error on !window.XMLHttpRequest
.
Clearly Wikipedia needs some help, and I need to get this working. Can anyone help me out?
maybe a bit late to the party but I also came across this problem, had a blast at it and my solution was as follows, hope it helps https://github.com/davesmiths/isIE
Definitely no JS expert, but some searches found this for isolating IE6 from IE7 using jscript_version == 5.7:
Maybe it'll point you in the right direction.
Source: http://sharovatov.wordpress.com/2009/06/03/efficient-ie-version-targeting/
I found a solution. The code is as follows.
I've been using this nice one-liner for years:
Small and accurate (tested in IE 6-10).
Note to those who use grunt. be sure to set preserveComments: 'some' if you use the
uglify
plugin to make sure conditional comments are not removed.