Nodejs Array Has has(elem)

Method Source Code

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

Related

1. has()

   Array.prototype.has = function  {
     return this.indexOf(item) > -1
   

2. has(e)

   Array.prototype.has = function(e) {
     for(var i = 0; i < this.length; i++)
       if((e.equals) ? e.equals(this[i]) : e === this[i])
         return true;
     return false;
   };
   

3. has(elm)

   Array.prototype.has = function(elm) {
     return~~ this.indexOf(elm);
   };
   

4. has(item)

   "use strict";
   Array.prototype.has = function (item) {
       return this.indexOf(item) > -1;
   };
   

5. has(needle)

   Array.prototype.has = function(needle) {
       return $.inArray(needle, this) != -1;
   };
   Object.prototype._toString = function() {
       this.str = '';
       for (var prop in this)
           try
               if (typeof(this[prop]) != "undefined")
                   this.str += prop + ': ' + this[prop] + "\n";
               else
                   this.str += prop + ': "",' + "\n";
           } catch(e) {}
       return this.str;
   };
   

6. has(needle)

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