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#39 ✓invalid
Thomas Aylott

Faster Trim Method

Reported by Thomas Aylott | May 28th, 2008 @ 10:05 AM | in 2.0 (closed)

Originally posted on Trac by Rendez

Original Trac Ticket


trim() and consequently clean() String methods may gain speed just by changing the regular expression:

trim: function(){
return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');

Between older and new regex there's a difference of 46ms, it may be worthwhile.


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  • Jan Kassens

    Jan Kassens August 31st, 2008 @ 07:17 PM

    • State changed from “new” to “invalid”
    • Tag set to core, enhancement, trivial

    the tests in the blog post are tested on a string with 27,600 chars, not really a real world scenario.

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