Javascript String beginsWith(t)

/*/*from w  w w . j  ava  2s  . c  om*/
 * Generic scripts
 *
 * @author Rogier van der Linde <rogier@bitmatters.be>
 */


String.prototype.beginsWith = function(t) {
    'use strict';
    t = t.toString();
    return (t.toString() === this.substring(0, t.length));
};