What is the difference between Object.assign and the spread operator?

Can you explain the difference between Object.assign and the spread operator in JavaScript?

Sure! Both Object.assign and the spread operator are used to copy properties from one object to another, but they have some differences.

What are the main differences in how they handle nested objects?

Object.assign performs a shallow copy, meaning it only copies properties at the first level. The spread operator does the same.

Are there any performance differences between the two?

In general, the performance difference is negligible for most use cases, but the spread operator can be more concise.

Can you give me an example of each?

Of course! For Object.assign: Object.assign({}, obj1, obj2). For the spread operator: {...obj1, ...obj2}.