Javascript Array remove(member)

Array.prototype.remove = function(member) {
  var index = this.indexOf(member);
  if (index >= 0) {
    this.splice(index, 1);// w  w w. j ava2 s.c  om
  } 
};

var arr = [1, 2, 3];

console.log(arr);

arr.remove(1);

console.log(arr);