Nodejs Array Even even()

Method Source Code

Array.prototype.even = function () {
  return this.filter(function (e) {
    return !(e % 2);
  });/*from  w  w  w. j a v  a 2 s . co m*/
};

Related

1. even()

   Array.prototype.even = function(){
       return this.filter((v,i)=> { return v%2==0 })
   Array.prototype.odd = function(){
       return this.filter((v,i)=> { return v%2!=0 })
   console.log([1,2,3,6,5].even()); 
   console.log([1,2,3,6,5,3,4,7].odd()); 
   

2. even()

   Array.prototype.even = function(){
     return this.filter( x => x % 2 == 0 )
   

3. even()

   Array.prototype.even = function(){
       return this.filter((element) => element % 2 == 0);
   

4. even()

   Array.prototype.even = function () { 
     return this.filter(function(value) { 
       return value % 2 == 0; 
     }); 
   

5. even()

   Array.prototype.even = function () {
     return this.filter((item) => {
       return item % 2 === 0;
     });
   };
   

6. even()

   Array.prototype.even = function(){
       let even = new Array();
       for(const e of this){
           if(!isNaN(e) && (e % 2 === 0))
               even.push(e);
       return even;
   Array.prototype.odd = function(){
   ...
   

7. even()

   Array.prototype.even = function()
     var ret = new Array();
     this.forEach(function(a) {
       if (0 == a % 2) {
         ret.push(a);
     });
     return ret;
   ...
   

8. even()

   Array.prototype.even = function(){
     var newArr = [];
     for (var i of this){
       if (i % 2 === 0){
         newArr.push(i);
     return newArr;