Nodejs Array Sum sum()

Method Source Code

Array.prototype.sum = function() {
    var total = 0;
    for (var i = 0; i<this.length; i++) { 
        total += this[i]; /*from   w w w .  ja va2  s.c o m*/
    }
    return total;
};

function fillBuckets(ballsOpt, buckets, balls) {
    var items = [];
    var steps = ballsOpt.length;

    for (var i=0; i<=balls; i++) {
        var step = 0;
        var tmpArr = [i];
        var spotRemain = buckets - 1;
        var flag = (buckets < 3) ? true : false;

        while (true) {
            var startFrom = step;

            if (spotRemain <= 1) {
                tmpArr.push(balls - tmpArr.sum());
                console.log(tmpArr);
                items.push(tmpArr);
                spotRemain = buckets - 1;
                tmpArr = [i];
                if (flag) break;
            }

            for (var k=startFrom; k<ballsOpt.length && spotRemain>1; k++) {
                if (ballsOpt[k] + tmpArr.sum() <= balls) {
                    tmpArr.push(ballsOpt[k]);
                    spotRemain--;
                    step++;
                }
            }

            if (startFrom >= steps) break;
        }
        steps--;
    }
    console.log('------------');

    return items;
}

Related

1. sum()

   var val = [1, 2, 3];
   function array(val){
     this.val = val;
   Array.prototype.sum = function(){
     return this.reduce(function(a, b){
       return a + b;
     });
   };
   ...
   

2. sum()

   Array.prototype.sum = function(){
     var ret = this[0];
     for(var i=1;i<this.length;i++){
       ret += this[i]
     return ret;
   

3. sum()

   Array.prototype.sum = function () {
       var result = 0;
       for (var i = 0; i < this.length; i++) {
           result += this[i];
       return result;
   };
   

4. sum()

   Array.prototype.sum = function() {
     var result = 0;
     this.forEach(function(item){
       result += item;
     });
     return result;
   console.log([1,2,3,4,5,6,7,8,9,10].sum());
   function Person(name, age) {
   ...
   

5. sum()

   Array.prototype.sum = function() {
     var sum = 0;
     for (var i = 0; i < this.length; i++) {
       sum += this[i];
     return sum;
   };
   

6. sum()

   Array.prototype.sum = function() {
     for (var sum=i=0, l=this.length; i<l; i++) { sum-= this[i]; }
     return -sum;
   };
   

7. sum()

   Array.prototype.sum = function() {
     if (this.length === 0) {
       return 0;
     } else if (this.length === 1) {
       return parseInt(this[0], 10);
     } else {
       return this.reduce(function(x, y) {
         return x + y;
       });
   ...
   

8. sum()

   Array.prototype.sum = function(){
     for(var i=0,sum=0;i<this.length;i++) {
       var val = Number(this[i]);
       if (!isNaN(val)) {
         sum += val;
     return sum;
   };
   ...
   

9. sum()

   Array.prototype.sum = function() {
     var result = 0;
     for (var i = 0; i < this.length; i++) result += this[i];
     return result;