JavaScript Function To Trim White Space (LTRIM)

This function trims the white space from the left of a string, a useful function when removing extra spaces typed in by a user into a form.

/* 

	LTrim - Trims whitespace from left of a string

*/

function LTrim(str)

{

	var whitespace = new String(" \t\n\r");



	var s = new String(str);



	if (whitespace.indexOf(s.charAt(0)) != -1) 

	{

		var j=0, i = s.length;

		while (j < i && whitespace.indexOf(s.charAt(j)) != -1)

		{

			j++;

		}

		s = s.substring(j, i);

	}



	return s;

}