Nodejs Array Contain contains(element)

Method Source Code

/**/*from ww w . j  a  v a 2s. c o m*/
 * Array.js
 *
 * Extends the Array object.
 *
 * @author Maxime Ollagnier
 */
/**
 * Check if the given element exists in this array.
 */
Array.prototype.contains = function(element)
{
    for (var i = 0; i < this.length; i++) 
    {
        if (this[i] == element) 
        {
            return true;
        }
    }
    return false;
};

Related

1. contains(element)

   'use strict';
   Array.prototype.contains = function (element) { 
     return (this.indexOf(element) !== -1); 
   };
   

2. contains(element)

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

3. contains(element)

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

4. contains(element)

   Array.prototype.contains = function(element) {
     return (-1 !== this.indexOf(element))
   

5. contains(element)

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

6. contains(element)

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

7. contains(element)

   Array.prototype.contains = function(element) {
       return (arrValues.indexOf(element) > -1);
   

8. contains(element)

   Array.prototype.contains = function(element) {
     if(!element)
       return false;
     for (var e in this) {
       var arrayElement = this[e];
       if(element == arrayElement) {
         return true;
   ...
   

9. contains(element)

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