Handling Fullscreen Events
index.html
style.css
script.js
When you use the Fullscreen API, you might want your page to react whenever the user enters or exits fullscreen mode. The fullscreenchange event lets you detect these changes. In the example above, the code adds event listeners for both fullscreenchange and fullscreenerror. When the fullscreenchange event fires, the button label updates to reflect the current fullscreen state, and a message displays to show whether fullscreen mode was entered or exited. This makes the user interface more responsive and clear. If something goes wrong, the fullscreenerror event displays an error message so users know what happened. By using these events, you can keep your UI in sync with the actual fullscreen state, giving users a seamless experience.
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Can you explain how to add these event listeners in JavaScript?
What browsers support the Fullscreen API and these events?
Are there any accessibility considerations when using fullscreen mode?
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index.html
style.css
script.js
When you use the Fullscreen API, you might want your page to react whenever the user enters or exits fullscreen mode. The fullscreenchange event lets you detect these changes. In the example above, the code adds event listeners for both fullscreenchange and fullscreenerror. When the fullscreenchange event fires, the button label updates to reflect the current fullscreen state, and a message displays to show whether fullscreen mode was entered or exited. This makes the user interface more responsive and clear. If something goes wrong, the fullscreenerror event displays an error message so users know what happened. By using these events, you can keep your UI in sync with the actual fullscreen state, giving users a seamless experience.
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