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I'm working on a Bootstrap 3 site and I was having some issues with the jQuery version that I was using (1.9.1). I upgraded to 2.1.0 and my issues are gone, however, this breaks IE8 compatibility since 2.1.0 doesn't support IE8 anymore and jQuery seizes to work in this browser.
I can't use 1.1.0 because Bootstrap supports 1.9.0 or higher (also I'll have my issues back).
So the question is: Which is the highest version of jQuery that works with IE8?
The jQuery Browser Support Page only lists 1.11.0 and 1.9.1 so that's not helping.
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Those improvements come at a price, though: jQuery 2.0 won't support Internet Explorer 6, 7, or 8. At the same time, the jQuery team will stop supporting jQuery 1. x in an array of environments, including apps for Firefox OS, Chrome OS, Windows 8 Store, and BlackBerry 10 WebWorks apps.
Cross-browser compatibility — jQuery supports older browsers which do not do well with modern tools, frameworks or libraries. jQuery-powered applications work well on all browsers.
jQuery is only supported in Internet Explorer 9+, so if you're in an older version, you're out of luck perhaps, with a newer version. BUT... taken from the jQuery site... If you need to support older browsers like Internet Explorer 6-8, Opera 12.1x or Safari 5.1+, use jQuery 1.12.
IE8 support was dropped in jQuery 2.x, so you will want any version beginning with 1 that satisfies your plugin's version dependencies.
I would try the latest 1.11 or 1.10 first. 1.11 was released in early 2014. 1.10 was released mid-2013.
There may be some confusion with comparing minor version numbers. 1.11 > 1.10 > 1.9. We're comparing the second number as a number. Don't make the mistake of treating each digit as a value to compare.
Update: latest version compatible with IE8 is now 1.11.3 http://blog.jquery.com/2015/04/28/jquery-1-11-3-and-2-1-4-released-ios-fail-safe-edition/
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