Nodejs Array Contain contains(k)

Method Source Code

function my_max(arr){
    var max = arr[0];
    for (var i = 0; i < arr.length; i++){
        if (arr[i] > max){
            max = arr[i];/*from  ww w .ja  v a 2s  . c o m*/
        }
    }
    return max;
};

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

function vowel_count(str){
    var splitted = str.split("");
    var vowels_splitted = 'aeiouy'.split("");
    console.log(splitted);
    counter = 0;
    for (var i = 0; i < splitted.length; i++){
        if (vowels_splitted.contains(splitted[i])){
            counter += 1;
        }
    }
    return counter;
}

function reverse(str){
    result = "";
    splitted = str.split("");
    for(var i = splitted.length-1; i >= 0; i--){
        result += splitted[i];
    }
    return result;
}

Related

1. contains(item)

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

2. contains(item)

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

3. contains(item, from)

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

4. contains(item, from)

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

5. contains(k)

   Array.prototype.contains = function (k) {
       'use strict';
       var p;
       for (p in this) {
           if (this.hasOwnProperty(p) && this[p] === k) {
               return true;
       return false;
   ...
   

6. 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
   ...
   

7. contains(key, value)

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

8. 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;
   

9. contains(n)

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