web-feature: Focus events

Widely available

Focus events, such as focus and blur, fire when an element gets or loses focus.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-09

Servo

Android

2026-09

ArkWeb

HarmonyOS

*

Chrome Browser

Android

18

Safari Browser

iOS

2