Nodejs Array Contain contains(obj)

Method Source Code

Array.prototype.contains = function(obj) {
  var i = this.length;

  while (i--)/*from ww w  . j  av  a  2  s.c o  m*/
    if (this[i] === obj)
      return true;

  return false;
}

Related

1. contains(needle)

   Array.prototype.contains = function(needle) {
     return this.indexOf(needle) !== -1;
   };
   

2. contains(o)

   Array.prototype.contains = function(o) {
     for (var i = 0; i < this.length; i++) {
       if (this[i] == o) {
         return true;
     return false;
   

3. contains(o)

   Array.prototype.contains = function(o) {
     var flag = false;
     for (var i = 0; i < this.length; i++) {
       if (this[i] == o) {
         flag = true;
         break;
     return flag;
   ...
   

4. contains(o, comparer)

   Array.prototype.contains = function (o, comparer) {
     comparer = comparer || EqualityComparer;
     var l = this.length;
     while (l-- > 0)
       if (comparer(this[l], o) === true) return true;
     return false;
   };
   

5. contains(obj)

   Array.prototype.contains = function(obj)
     for(i=0;i<this.length;i+=1)
       if(this[i] === obj)
         return true;
     return false;
   

6. contains(obj)

   Array.prototype.contains = function(obj) {
     var i = this.length;
     while (i--) {
       if (this[i] === obj) {
         return true;
     return false;
   };
   ...
   

7. contains(obj)

   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;
   

8. contains(obj)

   'use strict';
   Array.prototype.contains = function(obj) {
       var i = this.length;
       while (i--) {
           if (this[i] == obj) {
               return true;
       return false;
   ...
   

9. contains(obj)

   Array.prototype.contains = function(obj) {
     var i = this.length;
     while (i--) {
       if (this[i] === obj) {
         return true;
     return false;