Nodejs Array Contain contains(el)

Method Source Code

"use strict";//from  w  ww.  j ava  2 s .  c o m
Array.prototype.contains = function(el){
  return this.indexOf(el) > -1;
};

var rotateArray = function rotateArray(arr){ 
  arr.unshift(arr.pop());
  return arr;
};

print(function(input){ 
  input = input.split('');
  var len = input.length;
  var arr = [];
  var i = 0;
  var count = 0;
  while (i < len) {
    //print(i, len);
    input = rotateArray(input); 
    var add = input.join('');
    if (!arr.contains(add)){
      count++; 
      arr.push(add);
      //print("we here with", input);
      //print(arr);
    }
    i++;
  }
  return count;
}.apply(null, readline().split(" ")));

Related

1. contains(array)

   Array.prototype.contains = function (array) {
       var debug = true;
       var starts = [];
       for (var i = 0; i < this.length; i++) {
     if (this[i] == array[0])
         starts.push(i);
       console.log('found', starts.length, 'possible matches');
       for (var p = 0; p < starts.length; p++) {
   ...
   

2. contains(array, sizediff)

   var fs =require('fs');
   var lineReader = require('line-reader');
   Array.prototype.contains = function (array, sizediff) {
       if (!array)
           return false;
       if (this.length <= array.length)
           return false;
     if (sizediff && this.length > array.length + sizediff)
       return false;
   ...
   

3. contains(e)

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

4. contains(e)

   Array.prototype.contains = function(e) {
       for (var i = this.length - 1; i >= 0; i--) {
           if (this[i] == e) {
               return true;
       return false;
   };
   

5. contains(e,ignore)

   Array.prototype.contains  = function(e,ignore)  {  
     if(ignore==undefined) ignore = false;
       for(var i=0;i<this.length;i++){  
       if(ignore){
         if(this[i].toLowerCase() == e.toLowerCase()) 
           return true; 
       }else{
         if(this[i] == e) 
           return true; 
   ...
   

6. contains(el)

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

7. contains(el, test)

   Array.prototype.contains = function(el, test) {
       if (test == null) return this.indexOf(el) >= 0;
       for (var i = this.length; --i >= 0;) if (test(this[i], el)) return true;
   };
   

8. contains(ele)

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

9. contains(ele)

   Array.prototype.contains = function(ele)
       if(!ele) return false;
       var b=false;
       for(var i=0;i<this.length;i++){
           if(this[i]==ele){
               b=true;
       return b;
   };
   Array.prototype.uniq = function(){
       var a = [];
       this.forEach(function(b){ 
           if(a.indexOf(b) < 0)
               {a[a.length] = b}
       });
       return a;
   };
   Array.prototype.uniqById = function(){
       var a = [];
       var r = [];
       this.forEach(function(b){
           if(b){
               if("id" in b){
                   if(a.indexOf(b.id) < 0){
                       a[a.length] = b.id;
                       r[r.length] = b;
               }else if("_id" in b){
                   if(a.indexOf(b._id) < 0){
                       a[a.length] = b._id;
                       r[r.length] = b;
       });
       return r;