Make a Unique ID

UniqueID.js

/**
 * @param l {Number} Length of random string.
 * @returns {string} String of random numbers
 * @constructor
 */
function MakeId(l) {
  var text = "",
    possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
  for (var i = 0; i < l; i++)
    text += possible.charAt(Math.floor(Math.random() * possible.length));
  return text;
}