Nodejs Array Contain contains(v)

Method Source Code

Array.prototype.contains = function(v) {
       for(var i = 0; i < this.length; i++) {
           if(this[i] === v) return true;
       }/* w  ww  . j a va  2s  .c om*/
       return false;
   };

   Array.prototype.unique = function() {
      var arr = [];
      for(var i = 0; i < this.length; i++) {
              if(!arr.contains(this[i])) {
                     arr.push(this[i]);
                }
          }
          return arr; 
   }

Related

1. contains(target, ordered)

   Array.prototype.contains = function (target, ordered) {
       ordered = ordered || false;
       var foundAll = true;
       if (ordered) {
           var lastIdx = -1;
           for (var i = 0; i <= target.length - 1; i++) {
               lastIdx = this.indexOf(target[i], lastIdx + 1);
               if (lastIdx == -1) {
                   foundAll = false;
   ...
   

2. contains(v)

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

3. contains(v)

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

4. contains(v)

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

5. contains(v)

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

6. contains(val)

   #!/usr/bin/js
   arr = [1, 2, 3, 4, 5];
   Array.prototype.contains = function (val) {
     for (var i = 0; i < this.length; i++){
       if (this[i] === val){
         return true;
   console.log(arr.contains(3))
   

7. contains(value)

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

8. contains(value)

   Array.prototype.contains = function (value){
       return this.indexOf(value)>=0
   };
   

9. contains(value)

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