Nodejs Array Contain contains(element)

Here you can find the source of contains(element)

Method Source Code

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

Related

  1. contains(element)
    Array.prototype.contains = function (element) {
      for (var i = 0; i < this.length; i++) {
        if (this[i] == element) {
          return true;
      return false;
    };
    
  2. contains(element)
    Array.prototype.contains = function(element) {
        var i = this.length;
        while(i--) {
            if (_.isEqual(this[i], element)) {
                return true;
        return false;
    
  3. 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]';
    };
    
  4. contains(element)
    Array.prototype.contains = function (element) 
              for (var i = 0; i < this.length; i++) 
                  if (this[i] == element) 
                          return true;
              return false;
      };
    
  5. contains(element)
    'use strict';
    Array.prototype.contains = function (element) { 
      return (this.indexOf(element) !== -1); 
    };
    
  6. contains(element)
    Array.prototype.contains = function(element) {
      return this.indexOf(element) != -1;
    };
    
  7. contains(element)
    Array.prototype.contains = function(element) {
      return (-1 !== this.indexOf(element))
    
  8. contains(element)
    Array.prototype.contains = function(element) { 
        for(var i = 0; i < this.length; i ++)
            if(this[i] === element) return true;
        return false;
    };
    
  9. contains(element)
    Array.prototype.contains = function(element)
        for (var i = 0; i < this.length; i++) 
            if (this[i] == element) 
                return true;
        return false;
    };