- Filters:
- Newly available
- Widely available
- Limited availability
- One missing engine
- Discouraged
- All features
- Browser releases:
- Chrome 141
- Chrome Android 141
- Edge 141
- Firefox 144
- Firefox for Android 144
- Safari 26
- Safari on iOS 26
New features in Firefox 144 (released on 2025-10-14)
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Map getOrInsert()
Limited availabilityThe
getOrInsert()andgetOrInsertComputed()methods ofMapobjects get a value, setting and getting a default value if needed.- Chrome ❌
- Chrome Android ❌
- Edge ❌
- Firefox 144 Released on 2025-10-14
- Firefox for Android 144 Released on 2025-10-14
- Safari ❌
- Safari on iOS ❌
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Invoker commands
Limited availabilityThe
commandandcommandforattributes for the<button>HTML element dispatch an action to an element when the button is invoked (by click or keystroke), as a declarative alternative toaddEventListener()calls oronclickattribute handlers.Baseline availability blocked since October 2025 by Safari (0 months)
- Chrome 135 Released on 2025-04-01
- Chrome Android 135 Released on 2025-04-01
- Edge 135 Released on 2025-04-04
- Firefox 144 Released on 2025-10-14
- Firefox for Android 144 Released on 2025-10-14
- Safari ❌ Vendor position : support
- Safari on iOS ❌ Vendor position : support
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Screen orientation lock
Limited availabilityThe
screen.orientation.lock()method prevents changes to the screen orientation, typically in fullscreen applications such as games. For example, while locked, rotating a phone to the side won't change the screen orientation from landscape to portrait.- Chrome ❌
- Chrome Android 38 Released on 2014-10-08
- Edge ❌
- Firefox 144 Released on 2025-10-14
- Firefox for Android 144 Released on 2025-10-14
- Safari ❌
- Safari on iOS ❌
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view-transition-class
Baseline Newly Available (since 2025-10-14)The
view-transition-classCSS property sets a name that can be used to apply styles to multiple named view transition pseudo-elements.- Chrome 125 Released on 2024-05-14
- Chrome Android 125 Released on 2024-05-14
- Edge 125 Released on 2024-05-17
- Firefox 144 Released on 2025-10-14
- Firefox for Android 144 Released on 2025-10-14
- Safari 18.2 Released on 2024-12-11
- Safari on iOS 18.2 Released on 2024-12-11
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View transitions
Baseline Newly Available (since 2025-10-14)View transitions allow you to create animated visual transitions between different states of a document.
- Chrome 111 Released on 2023-03-07
- Chrome Android 111 Released on 2023-03-07
- Edge 111 Released on 2023-03-13
- Firefox 144 Released on 2025-10-14
- Firefox for Android 144 Released on 2025-10-14
- Safari 18 Released on 2024-09-16
- Safari on iOS 18 Released on 2024-09-16