Protect a JavaScript Object from Changes with Object.freeze()

Apr 29, 2020

In this lesson we’ll learn how to prevent changes to an object in JavaScript using the built in

Object.freeze()

method. Once an object has been passed to

Object.freeze()

, no properties can be added, removed, or changed.

This is helpful in a variety of situations, particularly with preventing inadvertent changes to an object’s data throughout a codebase.

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