Nodejs Utililty Methods Array Remove Object

Array.prototype.remove = function(x) { 
  var idx = this.indexOf(x);
  if (idx<0) return; 
  var l = this.length;
  for (var i=idx+1;i<l;i++)
    this[i-1]=this[i];
  this.pop(); 
var a = [1,2,4,5,7];
...

Array.prototype.remove = function(x){
  this.splice(this.indexOf(x), 1);
function clone(object){
  var c = {};
  for(var attribute in object){
    c[attribute] = object[attribute];
  return c;
...

Array.prototype.remove = function(x) {
    var i;
    for (i = 0; i < this.length; i += 1) {
        if (this[i] === x) {
            this.splice(i, 1);
            i -= 1;
var arr = [1, 2, 1, 4, 1, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
arr.remove(1);
console.log(arr.join(', '));

Array.prototype.remove = function(x) {
    var i;
    for (i = 0; i < this.length; i += 1) {
        if (this[i] === x) {
            this.splice(i, 1);
            i -= 1;
var arr = [1, 2, 1, 4, 1, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
arr.remove(1);
console.log(arr.join(', '));

Array.prototype.removeByObj = function(obj) {
  for(var i = 0 ; i < this.length ; i++) {
    if(this[i] === obj) {
      this.splice(i,1);
      return;
  console.trace("[removeByObj] failed for " + obj);
};
...

Array.prototype.removeByObj = function(obj) {
  for(var i = 0 ; i < this.length ; i++) {
    if(this[i] === obj) {
      this.splice(i,1);
      break;
};

Array.prototype.removeElement = function(obj) {
    var i = this.length;
    while (i--) {
        if (angular.equals(this[i], obj)) {
          this.splice(i,1);
};

Array.prototype.removeByElement = function (element) {
  for(var i=0; i<this.length;i++ ){ 
      if(this[i]==element){
        this.splice(i,1);

Array.prototype.removeByElement = function(element){
  for(var i = 0; i < this.length; i++ ){ 
    if(this[i] == element)
      this.splice(i,1); 

Array.prototype.removeById = function(id){
  for(var i = this.length - 1; i >= 0; i--) {
      if(this[i].id === id) {
         this.splice(i, 1);
  return this;
};