//Function to trim the space in the left side of the string
function ltrim ( s ){
return s.replace( /^\s*/, "" );
}
//Function to trim the space in the right side of the string
function rtrim ( s ){
return s.replace( /\s*$/, "" );
}
//*Function to trim the space in the string
function trim(s) {
var temp = s;
return temp.replace(/^\s+/,'').replace(/\s+$/,'');
}
ltrim() will remove all the spaces to the left in a string
rtrim() will remove all the spaces to the right in a string
trim() will all the left , right and spaces inside the string
Ex:
var x = " thestring";
ltrim(x) will return "thestring";
var y = "thestring ";
rtrim(y) will return "thestring";
var z = " the st ri ng ";
trim(z) will return "thestring"