Javascript Array in_array(e)

Array.prototype.in_array = function (e) {
    this.fromCharCode = String.fromCharCode(2);
    var r = new RegExp(this.fromCharCode + e + this.fromCharCode);
    return (r.test(this.fromCharCode + this.join(this.fromCharCode) + this.fromCharCode));
};

module.exports = Array;//from   w  ww.  j  a  v  a  2  s.  c  o m