web-feature: Resize observer

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The ResizeObserver API observes and reacts to changes in the size of DOM elements.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

Chrome Browser

Android

64

Safari Browser

iOS

13.4

Notes

Support data provided by: BCD logo

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This feature was last updated on November 15, 2025.