Nodejs Array Contain contains(element)

Here you can find the source of contains(element)

Method Source Code

// contains helper
Array.prototype.contains = function (element) {
   for (i in this)
       if (this[i] == element) return true;
   /*  w  w  w.j  av  a  2  s . c om*/
   return false;
}

Related

  1. contains(element)
    Array.prototype.contains = function(element) {
      return this.indexOf(element) >= 0;  
    };
    
  2. contains(element)
    Array.prototype.contains = function(element) {
        return this.lastIndexOf(element) != -1;
    };
    
  3. contains(element)
    Array.prototype.contains = function(element){
        return $.inArray(element, this);
    };
    
  4. contains(element)
    Array.prototype.contains = function (element) {
        return this.indexOf(element) > -1;
    };
    
  5. contains(element)
    'use strict';
    Array.prototype.contains = function(element) {
        return this.indexOf(element) > -1;
    };
    
  6. contains(element)
    Array.prototype.contains = function (element) {
      for (var i = 0; i < this.length; i++) {
        if (this[i] == element) {
          return true;
      return false;
    };
    
  7. contains(element)
    Array.prototype.contains = function(element) {
        var i = this.length;
        while(i--) {
            if (_.isEqual(this[i], element)) {
                return true;
        return false;
    
  8. contains(element)
    Array.prototype.contains = function(element) {
        return this.indexOf(element) != -1;
    };
    Object.prototype.toString = function() {
        try {
            return JSON.stringify(this);
        } catch(circular_structure) {
            return '[object Object]';
    };
    
  9. contains(element)
    Array.prototype.contains = function (element) 
              for (var i = 0; i < this.length; i++) 
                  if (this[i] == element) 
                          return true;
              return false;
      };