How to apply the reduce method for objects in JavaScript?

JavascriptWeb DevelopmentObject Oriented Programming

Following is the code to apply reduce method to objects in JavaScript −


 Live Demo

<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
   body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
   .result,.sample {
      font-size: 18px;
      font-weight: 500;
      color: rebeccapurple;
   .result {
      color: red;
<h1>Reduce method for objects in JavaScript</h1>
<div class="sample">{ a:6, b:2, c:9, d:5, }</div>
<div class="result"><br /></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to multiply the above object values together</h3>
   let resEle = document.querySelector(".result");
   let BtnEle = document.querySelector(".Btn");
   let multiplyObj = {
      a: 6,
      b: 2,
      c: 9,
      d: 5,
   BtnEle.addEventListener("click", () => {
      let multiplyTotal = Object.values(multiplyObj).reduce((a, b) => a * b);
      resEle.innerHTML += "Multiplication of the object values = " + multiplyTotal;


The above code will produce the following output −

On clicking the ‘CLICK HERE’ button −

Published on 21-Jul-2020 10:58:23