Nodejs Array Contain contains(obj)

Method Source Code

Array.prototype.contains = function(obj) {
    var i = this.length;
    while (i--) {
        if (this[i] === obj) {
            return true;
        }//from  w w  w.  j  av  a  2 s .co  m
    }
    return false;
}

Array.prototype.getUnique = function(){
   var u = {}, a = [];
   for(var i = 0, l = this.length; i < l; ++i){
      if(u.hasOwnProperty(this[i])) {
         continue;
      }
      a.push(this[i]);
      u[this[i]] = 1;
   }
   return a;
}

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 (this[i] == obj) {
               return true;
       return false;
   };
   ...
   

3. contains(obj)

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

4. contains(obj)

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

5. contains(obj)

   const musicalAlphabet = ["A","A#","B","C","C#","D","D#","E","F","F#","G","G#"];
   Array.prototype.contains = function(obj) {
     var i = this.length;
     while (i--) {
       if (this[i] == obj) {
         return true;
     return false;
   ...
   

6. contains(obj)

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

7. contains(obj)

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

8. contains(obj)

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

9. contains(obj)

   Array.prototype.contains = function(obj) {
     var _reg = 0, t = this, i = t.length;
     while(i--) { 
       if(t[i] === obj) {
         _reg++;
   return _reg;
   };
   ...