What are some common use cases for mocking the `document` object?

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Grade: Education Subject: Support
What are some common use cases for mocking the `document` object?
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Common use cases include testing components that interact with the DOM, such as those that create or manipulate HTML elements, handle user input, or perform animations. Mocking `document` ensures that these components behave consistently and predictably in your tests, regardless of the actual DOM structure.