masakielastic2のブックマーク - はてなブックマーク

Object.keys vs hasOwnProperty · jsPerf

masakielastic2 2014/01/18

javascript

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Fast Array Foreach · jsPerf

masakielastic2 2014/01/18

javascript

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Native bind vs jQuery.proxy vs Underscore bind · jsPerf

JavaScript performance comparison Revision 5 of this test case created on 29th August 2012 Preparation code <script src="//ajax.google apis.com/ajax/libs/jquery/1/jquery.min.js"> </script> <script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.3.3/underscore-min.js"> </script> Preparation code output Test runner Warning! For accurate results, please disable Firebug before running the tests.

masakielastic2 2013/05/13

bind を使わない場合がもっとも速く、次に Object.bind が速い。

javascript

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charCodeAt vs charAt · jsPerf

JavaScript performance comparison Revision 2 of this test case created by Jonas Fischer on 2011-4-4 Preparation code <script> var a = 'A........................', b = 'Z........................', x, y; </script> Test runner Warning! For accurate results, please disable Firebug before running the tests. (Why?) Java applet disabled.