Nodejs Array Contain contains(needle)

Method Source Code

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

Related

1. contains(k)

   function my_max(arr){
       var max = arr[0];
       for (var i = 0; i < arr.length; i++){
           if (arr[i] > max){
               max = arr[i];
       return max;
   };
   ...
   

2. contains(key, array)

   Array.prototype.contains = function(key, array){
     var toReturn = false
     $.each(this, function(i, object){
       if(array.indexOf(object[key]) > -1){
         toReturn = true
         return false
     })
     return toReturn
   ...
   

3. contains(key, value)

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

4. contains(mxd,strict)

   Array.prototype.contains = function(mxd,strict) {
       for(i in this) {
       if(this[i] == mxd && !strict) return true;
         else if(this[i] === mxd) return true;
       return false;
   

5. contains(n)

   Array.prototype.contains = function(n) {
     return this.indexOf(n) !== undefined;
   };
   

6. contains(o)

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

7. contains(o)

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

8. contains(o, comparer)

   Array.prototype.contains = function (o, comparer) {
     comparer = comparer || EqualityComparer;
     var l = this.length;
     while (l-- > 0)
       if (comparer(this[l], o) === true) return true;
     return false;
   };
   

9. contains(obj)

   Array.prototype.contains = function(obj)
     for(i=0;i<this.length;i+=1)
       if(this[i] === obj)
         return true;
     return false;