Javascript String times(amount)

String.prototype.times = function(amount) {
  var string = []
  while (amount-- > 0)
    string.push(this)//  ww w  .  ja v  a 2  s.  c  om

  return string.join(" ")
}

String.prototype.times = function(amount) {
  var that = this;
  return [].range(1, amount).map(function(){
    return that;/*  w ww .  j a  v  a2s  .  com*/
  }).join(" ");
};

String.prototype.times = function(amount){
  var i = 0;/* www.  j  a va 2s . co m*/
  var b = "";
  while(i < amount){
    b += this.toString() + " ";
    i++;
  }

  //var that = this;
  //return [].range(1,amoun).map(function(_){ return that}).join(" ");

  return b;
};

String.prototype.times = function (amount) {
    return new Array(amount + 1).join(this + " ");
};