How to Merge Objects in JavaScript

Jennifer Bland
3 min readJan 11, 2023

An object is frequently used to store data. Sometimes you end up with multiple data objects that you need to combine their contents. In this article, I will show you several ways to merge objects in JavaScript.

Format of an Object

An Object is a collection of key-value pairs. Let’s take a look at this simple object:

const customer = { name…

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Jennifer Bland

Software Engineer. Google Developers Expert. Keynote Speaker. Entrepreneur. Mountain Climber. Neil Diamond fan. World traveler. jenniferbland.com & codeprep.io