How do I use const with objects in JavaScript?

How do I use const with objects in JavaScript?

In JavaScript, using const with objects means that the reference to the object cannot be changed, but the object's properties can be modified.

Can you give me an example?

Sure! Here's an example:

const person = { name: 'Alice', age: 25 };

// You can change properties:
person.age = 26;  // This is allowed

// But you cannot reassign the object:
person = { name: 'Bob' }; // This will throw an error

What happens if I try to reassign the object?

If you try to reassign the object, you'll get a TypeError saying that you cannot assign to a constant variable.

Is it the same for arrays?

Yes, it's the same for arrays. You can modify the elements of the array, but you cannot reassign the array itself.