JavaScript 字串去除空白

• method 1

function trim(s) {

return s.replace(/^\s*|\s*$/g,"")

}

• method 2

// 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)

while (str.charCodeAt(++start)

return str.slice(start, end + 1);

};