Nodejs Array Sum sum()

Method Source Code

/**/*from  w w w .  j a  v a 2 s.  com*/
 * This file is part of the FeatherGL javascript library
 *
 * (c) Brandon Nason <brandon.nason@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

// Constants
Math.TAU = Math.PI * 2;

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

Array.prototype.product = function()
{
   for (var i = 0, L = this.length, product = 1; i < L; product =  product * this[i++]);
   return product;
}

function overflow(min, max, value)
{
   if (value >= max)
      return value - max;

   if (value <= min)
      return min - value;

   return value;
}

function clip(min, max, value)
{
   if (value >= max)
      return 0;

   if (value <= min)
      return 0;

   return value;
}

Related

1. sum()

   Array.prototype.sum = function () {
     return this.reduce(function (value, current) {
       return value + current;
     }, 0);
   };
   

2. sum()

   Array.prototype.sum = function () {
     return (!this.length) ? 0 : this.reduce((acc, value) => {
       return acc + value;
     });
   };
   

3. sum()

   Array.prototype.sum=function(){return this.reduce(function(s,n){return s+n})}
   function NumberAddition(str) {
     return str.replace(/[^\d]/g, ' ').split(' ').map(Number).sum();
   NumberAddition(readline());
   

4. sum()

   function extend(destination, source) {
       for (var property in source) {
           destination[property] = source[property];
       return destination;
   Array.prototype.sum = function() {
       var result = 0;
       for (var i = 0; i < this.length; i++) {
   ...
   

5. sum()

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

6. 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){
   ...
   

7. sum()

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

8. sum()

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

9. sum()

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