The Object.freeze() method is a built-in method of function object.This can be assigned to Objects, Variables, and Arrays. This blocks any updation of objects once it is assigned freeze() method. If we try to override the values of objects then it will throw an error.

In Javascript it is possible to update objects through the console to prevent this Object.freeze() method can be used.

This must be only used to assign constants or objects to those values or properties that must not be updated externally.

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