How Can I Safely Access the Window Object in Next.js?

Accessing Window Object in Next.js React Apps

When working with React apps built with Next.js, you may encounter situations where accessing the window object throws a ReferenceError. This error arises because React's server-side rendering (SSR) creates an isolated environment where the window object does not exist.

To resolve this issue, you can check if window is defined before attempting to use it. The following code snippet demonstrates this approach:

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