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並前往https://www.reddit.com/r/programminghorror/comments/2267tc/javascript_isnumber_nope/

Javascript: isNumber()... nope: programminghorror - Reddit

Javascript : isNumber()... nope. A co-worker wrote this gem today (despite my many attempts to dissuade): function isNumber(str) { return ((str * 1) > 0); }.

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