Nodejs Utililty Methods Array Remove by Index

Array.prototype.removeAt = function( index ){
  if(index>=0 && index<this.length){
    for(var i=index; i<this.length; i++){
      this[i] = this[i+1];
    this.length = this.length-1;
  return this;
function removeElement(index,array){
  if(index>=0 && index<array.length){
    for(var i=index; i<array.length; i++){
      array[i] = array[i+1];
    array.length = array.length-1;
  return array;

Array.prototype.removeAt = function( index )
  var part1 = this.slice( 0, index );
  var part2 = this.slice( index );
  part1.pop();
  return( part1.concat( part2 ) );

Array.prototype.removeAt = function (index)
    if (this.length <= index || index < 0)
        return;
    for (var i = index + 1, n = index; i < this.length; ++i, ++n)
        this[n] = this[i];
...

Array.prototype.removeAt = function(index) {
    this.splice(index, 1);

"use strict";
Array.prototype.removeAt = function(index) {
    this.splice(index, 1);
    return this;
};
Array.prototype.print = function() {
    for (var i = 0; i < this.length; i++) {
        console.log(this[i] + ", ");
};
Array.prototype.remove = function() {
    var what, a = arguments,
        L = a.length,
        ax;
    while (L && this.length) {
        what = a[--L];
        while ((ax = this.indexOf(what)) !== -1) {
            this.splice(ax, 1);
    return this;
};

Array.prototype.removeAt = function(index) {
  index = parseInt(Math.floor(index));
  if (Number.isNaN(index)){
    return undefined;
  var temp = this[index];
  for (var i = index; i < this.length-1; i++) {
    this[i] = this[i+1];
  if (index <= this.length) {
    this.length = this.length-1;
  return temp;
var array = [0,1,2];
var removedValue = array.removeAt(0);
console.log(array);
console.log(removedValue);
array = [0,1,2];
removedValue = array.removeAt(4.4);
console.log(array);
console.log(removedValue);
array = [0,1,2];
removedValue = array.removeAt("A");
console.log(array);
console.log(removedValue);

Array.prototype.removeAt=function(index){
  this.splice(index,1);

Array.prototype.removeAt = function(index) {
    if (index > this.length - 1 || index < 0) {
        throw new Error("Index out of range");
    this.splice(index, 1);
};

Array.prototype.removeAt = function(position){
    this.splice(position,1);
};

Array.prototype.removeAtIndex = function(elementAt) {
  return this[elementAt - 1];
};