JavaScript去掉两端空格方法
// 去掉字符串左边空格
function trimToLeft(str){
var i;
for(i=0;i<str.length; i++) {
if(str.charAt(i)!=" ") break;
}
str = str.substr(i);
return str;
}
// 去掉字符串右边空格
function trimToRight(str){
var i;
for(i=str.length-1;i>=0;i--){
if(str.charAt(i)!=" ") break;
}
str = str.substring(0,i+1);
return str;
}
// 去掉字符串两端空格
function trim(str){
return rTrim(lTrim(str));
}
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