/**
*
* Javascript trim, ltrim, rtrim
* http://www.webtoolkit.info/
*
*
**/
function trim(str, chars) {
return ltrim(rtrim(str, chars), chars);
}
function ltrim(str, chars) {
chars = chars || "\\s";
return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
function rtrim(str, chars) {
chars = chars || "\\s";
return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}
三种方法
