function trim(s) {
return s.replace(/^\s*|\s*$/g,"")
}
據說這個版本更快:
// Author: Ariel Flesler
// http://flesler.blogspot.com/2008/11/fast-trim-function-for-javascript.html
// Licensed under BSD
function myBestTrim(str) {
var start = -1,
end = str.length;
while (str.charCodeAt(--end) < 33);
while (str.charCodeAt(++start) < 33);
return str.slice(start, end + 1);
};
Refrence:
http://jsgears.com/thread-132-1-1.html
http://www.ijavascript.cn/jiaocheng/javascript-trim-145.html
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