How to Use the Fullscreen API in JavaScript (and Keep the Screen Awake with the Wake Lock API)

· freeCodeCamp.org · Sept. 29, 2026, 10:49 p.m.
Summary
This blog post discusses implementing the Fullscreen API in JavaScript, detailing how developers can enable fullscreen mode for various applications such as slide decks, video players, and games. Additionally, it covers the Wake Lock API to prevent the device from sleeping while in fullscreen mode, providing practical insights and usage examples for front-end developers.
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