Javascript Array remove(v)

// http://stackoverflow.com/questions/3396088/how-do-i-remove-an-object-from-an-array-with-javascript
Array.prototype.remove = function(v) {
   let idx = -1;/* w w w  .j a va2s  .  co  m*/
   if ((idx = this.indexOf(v)) != -1) {
      this.splice(idx, 1);
      return true;
   }
   return false;
}

Array.prototype.remove = function(v) {
  this.splice(this.indexOf(v) == -1 ? this.length : this.indexOf(v), 1);
}