TheObject.freeze() method freezes an object. A frozen object can no longer be changed; freezing an object prevents new properties from being added to it, existing properties from being removed, prevents changing the enumerability, configurability, or writability of existing properties, and prevents the values of existing properties from being changed. In addition, freezing an object also prevents its prototype from being changed. freeze() returns the same object that was passed in.

Create an abject

constperson={name:"hidayt",location:"delhi"}

AddObject.freeze() method just after it.

// restrictionObject.freeze(person);

Try to update location property of the object and log it

// update locationperson.location="Mumbai";console.log(person.location);// delhi

Yes, It will not allow to update the object.

Note: Always putObject.freeze() after the object, Which you want to restrict and pass that object into thefreeze() method.

Ref:Object.freeze()