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Alex Rivera
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In a question it was discussed on how jQuery and native JS would perform against each other. While of course the vanilla solution performs a lot faster because it does not process the whole array I proposed the usage of Array.filter which I was pretty confident would be at least faster than $.grep . Surprisingly after adding it to the test I was taught a lesson: Testsuite Edgecases of course have a different outcome. Anyone having an idea why $.grep is supposed to be over 3 times faster than the native method Arrray.filter ? Edit: I modified the test to use the filter shim from MDN and the results are pretty interesting: Chrome: Even MDN shim is faster than the native method, jQuery way ahead Firefox: shim a bit slower than native method, jQuery way ahead and finally a result like i was hoping it to see in Internet Explorer: native method is the fastest, then jQuery, shim is slowest (perhaps this is just the result of IEs rather weak JS-engine...)
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