Nodejs Array Contain contains(obj, firm)

Method Source Code

Array.prototype.contains = function(obj, firm) {
   firm = firm === true ? true : false;//from  ww  w .j  av a  2  s.c  o  m
   
   var i = this.length;
   while (i--) {
      if ((!firm && this[i] == obj) || this[i] === obj) {
         return true;
      }
      
   }
   return false;
}

Related

1. contains(obj)

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

2. contains(obj)

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

3. contains(obj)

   Array.prototype.contains = function(obj){
     return (this.indexOf(obj) == -1)?false:true;
   if(!Array.indexOf){
     Array.prototype.indexOf = function(obj){
       for(var i=0; i<this.length; i++){
         if(this[i]==obj) return i;
       return -1;
   ...
   

4. contains(obj)

   Array.prototype.contains = function(obj)
       return (this.indexOf(obj) > -1);
   

5. contains(obj)

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

6. contains(object)

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

7. contains(object)

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

8. contains(oneItem)

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

9. contains(query)

   Array.prototype.contains = function (query)
     function compare(element) 
       return element === query;
     return this.some(compare);
   };