Nodejs Array Sum sum()

Method Source Code

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

Related

1. sum()

   Array.prototype.sum = function(){
     return this.reduce(function(sum, item){
       return sum + item;
     }, 0)
   function isInt(n){
       return Number(n) === n && n % 1 === 0;
   function isFloat(n){
   ...
   

2. sum()

   Array.prototype.sum = function() {
     var sum = 0;
     this.forEach(function(k) {
       sum += k;
     });
     return sum;
   };
   

3. sum()

   Array.prototype.sum = function()
     if (this.length < 1) {
       return Number.NaN;
     var sum = 0;
     this.forEach(function(a) {
       sum += a;
     });
   ...
   

4. sum()

   Array.prototype.sum = function () {
       return this.reduce(function(previousValue, currentValue) {
           return previousValue + currentValue;
       });
   };
   

5. sum()

   Array.range = function(start, count) {
     var newArray = [];
     for( var i = 0, j = start; i< count; i++, j++)
       newArray.push(j);
     return newArray;
   Array.prototype.sum = function () {
       var sum = 0;
       this.forEach(function (value) {
   ...
   

6. 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;
     });
   };
   ...
   

7. sum()

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

8. sum()

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

9. 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) {
   ...