How do I merge two objects in JavaScript?

How do I merge two objects in JavaScript?

You can use the Object.assign() method or the spread operator to merge objects. Which one would you like to know more about?

Can you show me an example using the spread operator?

Sure! Here's an example:

const obj1 = { a: 1, b: 2 };
const obj2 = { b: 3, c: 4 };
const merged = { ...obj1, ...obj2 };
console.log(merged); // { a: 1, b: 3, c: 4 }

This merges obj1 and obj2, with obj2's properties overwriting obj1's where they overlap.

What if I want to merge more than two objects?

You can still use the spread operator! Just add more objects like this:

const obj1 = { a: 1 };
const obj2 = { b: 2 };
const obj3 = { c: 3 };
const merged = { ...obj1, ...obj2, ...obj3 };
console.log(merged); // { a: 1, b: 2, c: 3 }