Difference between freeze and seal

Question

I just heard about the JavaScript methods freeze and seal, which can be used to make any Object immutable.

Here\'s a short example how to u

Answer 1

You can always looks these up in MDN. In short:

• Freeze: makes the object immutable, meaning no change to defined property allowed, unless they are objects.
• Seal: prevent addition of properties, however defined properties still can be changed.