Nodejs Array Sum sum()

Here you can find the source of sum()

Method Source Code

Array.prototype.sum=function(){
   var suma;//from   w  ww  . j a  v a 2  s  .  c  om
   for(var i=0;i<this.lenght;i++){
      suma=suma+this[i];
   }
   return suma;
}

Related

  1. sum( iterator )
    Array.prototype.sum = function ( iterator ) {
      "use strict";
      var i = ( typeof iterator === "undefined" ) ?  0 : iterator,
        total = 0;
      if ( this[ i ] instanceof Array ) {
        for ( i; i < this.length; i++) {
          total += this[i].sum();
      else {
        for (i = 0; i < this.length; i++) {
          total += this[i];
      return total;
    };
    
  2. sum()
    Array.prototype.sum = function() {
      return this.reduce(function(a,b){return a+b;});
    };
    
  3. sum()
    Array.prototype.sum = function () {
      let s = 0;
      for (let i = 0; i < this.length; i++) {
        s += this[i];
      return s;
    };
    
  4. sum()
    Array.prototype.sum = function() {
      var sum = 0;
      for (var i = 0, l = this.length; i < l; i++) {
        sum += this[i];
      return sum;
    };
    
  5. sum()
    Array.prototype.sum = function () {
        var sum = 0;
        for (i = 0; i < this.length; i++) {
          sum += this[i]
       return sum 
    
  6. sum()
    Array.prototype.sum = function() {
        var res = 0;
        for(var p in this)
      res += this[p];
        return res;
    };
    var s = [1, 2, 3].sum();