Nodejs Utililty Methods Array Remove Item

Array.prototype.removeItem = function() {
  for (var item in arguments) { 
    for (var i = 0; i < this.length; i++) {
      if (this[i] === arguments[item]) {
        this.splice(i, 1);
var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
arr.removeItem(1);
console.log(arr);
arr = ['hi', 'bye', 'hello'];
arr.removeItem('bye');
console.log(arr);

Array.prototype.removeItem = function(deleteValue) {
    for (var i = 0; i < this.length; i++) {
        if (this[i] === deleteValue) {
            this.splice(i, 1);
            i--;
    return this;
};
...

var numberInput = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
var stringInput = ['hi', 'bye', 'hello' ];
Array.prototype.removeItem = function (el){
    var newArr = [];
    for (var i = 0; i < this.length; i++) {
        if (this[i] !== el){
            newArr.push(this[i]);
    return newArr;
console.log(numberInput.removeItem(1));
console.log(stringInput.removeItem('bye'));

Array.prototype.removeItem = function(index) {
  if(isNaN(index) || index > this.length) {
    return false;
    for (var i = 0; i < this.length; i++) {
        if (i > index) {
            this[i-1] = this[i];
    this.length -= 1;
};

Array.prototype.removeItem = function(item){
    while(this.indexOf(item) !== -1) {
        this.splice(this.indexOf(item), 1);
    return this;
var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
console.log(arr.removeItem(1));
var arr = ['hi', 'bye', 'hello' ];
...

Array.prototype.removeItem = function(item) {
    while (this.indexOf(item) >= 0) {
        this.splice(this.indexOf(item), 1);
    console.log(this);
    return this;
};
var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
arr.removeItem(1);
...

Array.prototype.removeItem = function(item){
  for (var i = 0; i < this.length; i++) {
    if (this[i] === item) {
      this.splice(i,1);
      i--;
};
var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
...

Array.prototype.removeItem = function(item) {
    var index = this.indexOf(item);
       if(index > -1){
           this.splice(index,1);
    return this;
};
var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
arr = arr.removeItem(1);
...

Array.prototype.removeItem = function (item) {
    var result = [];
    for (var i = 0; i < this.length; i++) {
        if (this[i] !== item) {
            result.push(this[i]);
    return result;
};
...

Array.prototype.removeItem = function(item) { 
  for(var i = 0, l = this.length; i < l; ++i){
    index = this.indexOf(item);
    if (index > -1) {
      this.splice(index, 1);
  return this;