Nodejs Utililty Methods Array Contain

List of utility methods to do Array Contain

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Description

The list of methods to do Array Contain are organized into topic(s).

Method

contains(obj)
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i] === obj) {
            return true;
    return false;
if (!String.prototype.startsWith) {
  String.prototype.startsWith = function(searchString, position) {
    position = position || 0;
    return this.indexOf(searchString, position) === position;
  };
String.prototype.arrayfy = function(n) {
  arr = this.split(' ');
  return arr.slice(0,n);
window.required = [];
window.require = function(script, callback) {
  if(!required.contains(script))
    $.get(script + ".js", function(data){
      required.push(script);
      eval(data);
      if(callback != null)
        callback();
    });
contains(obj)
Array.prototype.contains = function(obj) {
  var i = this.length;
  while (i--) {
    if (this[i] === obj) {
      return true;
  return false;
if (!Array.prototype.indexOf)
  Array.prototype.indexOf = function(elt )
    var len = this.length;
    var from = Number(arguments[1]) || 0;
    from = (from < 0)
         ? Math.ceil(from)
         : Math.floor(from);
    if (from < 0)
      from += len;
    for (; from < len; from++)
      if (from in this &&
          this[from] === elt)
        return from;
    return -1;
  };
contains(obj)
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i] === obj) {
            return true;
    return false;
contains(obj)
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i] == obj) {
            return true;
    return false;
};
...
contains(obj)
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (angular.equals(this[i], obj)) {
            return true;
    return false;
};
...
contains(obj)
Array.prototype.contains = function(obj){
  var i = this.length;
    while (i--) {
        if (this[i] == obj) {
            return true;
    return false;
contains(obj)
const musicalAlphabet = ["A","A#","B","C","C#","D","D#","E","F","F#","G","G#"];
Array.prototype.contains = function(obj) {
  var i = this.length;
  while (i--) {
    if (this[i] == obj) {
      return true;
  return false;
...
contains(obj)
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i] === obj) {
            return true;
    return false;
Array.prototype.getUnique = function(){
   var u = {}, a = [];
   for(var i = 0, l = this.length; i < l; ++i){
      if(u.hasOwnProperty(this[i])) {
         continue;
      a.push(this[i]);
      u[this[i]] = 1;
   return a;
contains(obj)
Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i].x == obj.x && this[i].y == obj.y) {
            return true;
    return false;
contains(obj)
Array.prototype.contains = function(obj) {
  var i = this.length;
  while (i--) {
    if (this[i] === obj) {
      return true;
  return false;