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in javascript, the `object.freeze()` method is used to prevent the modification of existing property attributes and values of an object, effectively making it immutable. once an object is frozen, you cannot add new properties, remove existing ones, or change the values or attributes of existing properties. this is particularly useful for ensuring that certain objects maintain a constant state throughout the application, enhancing stability and predictability. however, it’s important to note that `object.freeze()` performs a shallow freeze, meaning that while the top-level object cannot be altered, nested objects can still be modified unless they are also frozen. to achieve full immutability, you would need to recursively freeze all nested objects. this method is commonly used in scenarios where object integrity is crucial, such as in state management within frameworks or libraries, ensuring that components don't inadvertently alter shared data.
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