ResizeObserver may cause layout shifts during contenteditable editing
OS: Windows 11 · Device: Desktop or Laptop Any · Browser: Chrome 120.0 · Keyboard: US
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ResizeObserver may cause layout shifts during contenteditable editing
When a ResizeObserver is attached to a contenteditable element, the observer may trigger during editing as content changes size. This can cause layout recalculations and visual jumps, especially when the contenteditable has dynamic height.
performance
Scenario ID
scenario-resize-observer-interference
Details
When a ResizeObserver is attached to a contenteditable element, the observer may trigger during editing as content changes size. This can cause layout recalculations and visual jumps, especially when the contenteditable has dynamic height.
References
- MDN: Resize Observer API - ResizeObserver documentation
- Medium: After MutationObserver, PerformanceObserver, IntersectionObserver - Observer timing
- BhojPress: Observer patterns in JavaScript - Performance optimization
- Stack Overflow: Dynamically height-adjusted textarea without reflows - Layout optimization
- W3C CSSWG Issue #9560: ResizeObserver loop limit - Loop limit issues
- Web.dev: Avoid large complex layouts - Layout thrashing
- CSS-Tricks: Content jumping avoid - Placeholder sizes
- Reddit: CSS layout quirks - Box model issues
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| Case | OS | Device | Browser | Keyboard | Status |
|---|---|---|---|---|---|
| ce-0081-contenteditable-with-resize-observer | Windows 11 | Desktop or Laptop Any | Chrome 120.0 | US | draft |
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