Object initializer in JavaScript

An object initializer is an expression that allow us to initialize a newly created object. It is a comma-separated list of zero or more pairs of property names and associated values of an object enclosed in a pair of curly braces {}.

Following is the code for object initializer 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 {
      font-size: 20px;
      font-weight: 500;
      color: blueviolet;
<h1>Object initializer in JavaScript</h1>
<div class="result"></div>
<br />
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to initialize an object with object initializer and display it</h3>
   let resEle = document.querySelector(".result");
   let BtnEle = document.querySelector(".Btn");
   let name = "Rohan";
   let age = 22;
   let place = "Delhi";
   const person = { name, age, place };
   BtnEle.addEventListener("click", () => {
      resEle.innerHTML = "person.name = " + person.name + "<br>";
      resEle.innerHTML += "person.age = " + person.age + "<br>";
      resEle.innerHTML += "person.place = " + person.place + "<br>";


On clicking the ‘CLICK HERE’ button −

Updated on: 20-Jul-2020


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