1 /**
  2  * @fileOverview Extensions/helper methods for Numbers
  3  * @author <a href="http://www.bobs-bits.com">Stephen Reay</a>
  4  */
  5 
  6 /**
  7  * Convert a Number into a String padded at the beginning to the specified length
  8  * @param {Number} [length=2] the length to pad the Number to
  9  * @param {String} [char=0] the character to use for padding
 10  * @returns {String} the Number, padded to the specified length
 11  */
 12 Number.prototype.toPaddedString = function toPaddedString(length, char) {
 13 	length = length || 2;
 14 	char = char || '0';
 15 	
 16 	var that = this.toString();
 17 	while (that.length < length) {
 18 		that = char + that;
 19 	}
 20 	
 21 	return that;
 22 };
 23