Nodejs Array Odd odd()

Method Source Code

Array.prototype.odd = function(){
    return this.filter((v,i)=> { return v%2!=0 })
}

Array.prototype.even = function(){
    return this.filter((v,i)=> { return v%2==0 })
}


console.log([1,2,3,6,5].even()); // 2,6
console.log([1,2,3,6,5,3,4,7].odd()); // 1,3,5,3,7

Related

1. odd()

   Array.prototype.odd =  function() {
     var odd = function(value, index) {
       if ((index + 1) % 2) {
         return value;
     };
     return this.filter(odd);
   };
   var a = [1, 2, 3, 4, 'odd', 'even'];
   ...
   

2. odd()

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

3. odd()

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

4. odd()

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