Nodejs Array Contain contains(query)

Method Source Code

Array.prototype.contains = function (query)
{
   function compare(element) 
   {/*w w  w  .  j ava  2 s.c o m*/
      return element === query;
   }
   
   return this.some(compare);
};

Related

1. contains(obj)

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

2. contains(obj, firm)

   Array.prototype.contains = function(obj, firm) {
     firm = firm === true ? true : false;
     var i = this.length;
     while (i--) {
       if ((!firm && this[i] == obj) || this[i] === obj) {
         return true;
     return false;
   ...
   

3. contains(object)

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

4. contains(object)

   Array.prototype.contains = function(object) {
     if (this.indexOf(object) !== -1) {
       return true;
     return false;
   };
   

5. contains(oneItem)

   Array.prototype.contains = function(oneItem)
     var index = dojo.indexOf(this, oneItem);
     return index != -1;
   

6. contains(search)

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

7. contains(str)

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

8. contains(str)

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

9. contains(target)

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