Question

173

Javascript redirect for Internet Explorer browser version user agent?

rated 0 times [ 180] [ 7] / answers: 1 / hits: 22967 / 13 Years ago, tue, september 13, 2011, 12:00:00

I found out that my javascript-intensive web site doesn't work reliably (or at all) in IE9.

It works, (usually, but not always) with the compatibility mode meta tag in the header, but I just want to build a page that I know will work well in IE9 and then have the usual page redirect to it when IE9 is detected. The usual page is fine in IE 7 and 8 (and every other browser I've tried it on).

Can anyone give me some javascript that will do that? Thank you!

Here's my usual page:

http://ianmartinphotography.com/test-site/test/

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zariahdiamondz

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answered 13 Years ago simone · Accepted Answer

The simplest way would be to use IE Conditionals.

Note: IE10 and beyond have removed support for this feature. For modern browsers the widely accepted way of conditionally displaying content for compatibility purposes is using feature detection. Modernizr is a popular library built for handling feature detection.

For example:

<!--[if IE 9]>

<script type=text/javascript>

    window.location = http://www.ie9version.com;

</script>

<![endif]-->

Examples from the conditional site:

<!--[if IE]><p>You are using Internet Explorer.</p><![endif]-->

<![if !IE]><p>You are not using Internet Explorer.</p><![endif]>



<!--[if IE 7]><p>Welcome to Internet Explorer 7!</p><![endif]-->

<!--[if !(IE 7)]><p>You are not using version 7.</p><![endif]-->



<!--[if gte IE 7]><p>You are using IE 7 or greater.</p><![endif]-->

<!--[if (IE 5)]><p>You are using IE 5 (any version).</p><![endif]-->

<!--[if (gte IE 5.5)&(lt IE 7)]><p>You are using IE 5.5 or IE 6.</p><![endif]-->

<!--[if lt IE 5.5]><p>Please upgrade your version of Internet Explorer.</p><![endif]-->



<!--[if true]>You are using an <em>uplevel</em> browser.<![endif]-->

<![if false]>You are using a <em>downlevel</em> browser.<![endif]>



<!--[if true]><![if IE 7]><p>This nested comment is displayed in IE 7.</p><![endif]><![endif]-->