What is object freezing in JavaScript?
Object freezing in JavaScript is a method that prevents modification of an object. You can use Object.freeze()
.
What happens when I freeze an object?
When you freeze an object, you can't add, remove, or change its properties. It's immutable.
Can I still change nested objects if the parent is frozen?
Yes, freezing an object only affects the object itself, not its nested objects. You need to freeze them separately.
How do I check if an object is frozen?
You can use Object.isFrozen(obj)
to check if an object is frozen. It returns true or false.
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