javascript - Check jQuery version and load a newer version -


i have various web pages have varying versions of jquery included on them ranging 1.4.2 upwards (yes, know, it's mess). want use jquery validation plugin on these pages requires jquery 1.6.4+.

i know can check version of jquery loaded , load in newer version if necessary i'm unsure on how reference them individually pre-existing javascript/jquery code that's on site can still use $ (as know works quite happily , don't want break it) , new plugin can use else?

any or suggestions on better way appreciated. thanks.

bad idea doing.

if insist on having different jquery versions, can write sort of script manager. specify in page's "config" jquery versions required on page , manager load appropriate one.

something like:

// each page content before else manager.reguire("plugin 1", "1.4.7"); manager.require("plugin 2", "1.4.4");   // main layout <head section> manager.loadrequiredversions(); 

and manager request files you, don't forget might have clever no-conflict stuff jquery if want more 1 on single page. https://stackoverflow.com/a/1566644/486780

if it's 1 version per page manager easiest option.


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