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  <title>Window Management API demo</title>

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  <h1>Window Management API demo</h1>

  <p>This page provides a basic demo of the <a
      href="https://developer.mozilla.org/en-US/docs/Web/API/Window_Management_API">Window Management API</a>, which in
    <a href="https://developer.mozilla.org/en-US/docs/Web/API/Window_Management_API#browser_com