Lellansin

摘要： 第一种：循环检查替换[javascript]//供使用者调用function trim(s){return trimRight(trimLeft(s));}//去掉左边的空白function trimLeft(s){if(s == null) {return "";}var whitespace = new String(" \t\n\r");var str = new String(s);if (whitespace.indexOf(str.charAt(0)) != -1) {var j=0, i = str.length;while (j < 阅读全文