Pad out "y" string with "x" character until it is "z" characters long

stringPad.js

/**
 * Pad a string to a particular length
 * @param {string} string - The string to be padded
 * @param {string} paddingChar - The character used to pad out the string
 * @param {int} count - The desired total length of the string
 * @return {string} - The padded string 
 */
var stringPad = function (string, paddingChar, paddedLength) {
    var outputString = String(string);
    
    while (outputString.length < paddedLength) {
        outputString = String(paddingChar) + outputString;
    }

    return outputString;
};