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.

Answer 2

I know I may be little late but

• Similarity: both of them are used for creating non extensible objects.
• Difference : In Freeze configurable , enumerable and writable attributes of the object are set to false. where as in Sealed writable attribute is set to true and rest of the attributes are false.