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Using jsPerf for performance tuning of JavaScript Code
jsPerf is an online utility for evaluating the performance of your JavaScript code. You can submit multiple variations of your code and then evaluate their relative performance using jsPerf. Interesting feature about jsPerf is that it provides you the result in a browser specific manner i.e. you can run the test on multiple browsers and then compare the performance of your code on different browsers. In this article I will provide you a walkthrough on how to use jsPerf.