Scenario

Typing becomes slow with large contenteditable content

Typing becomes slow with large contenteditable content

Scenario ID
scenario-performance-large-content

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Case OS Device Browser Keyboard Status
ce-0026-performance-large-content Any Ubuntu 22.04 Desktop or Laptop Any Chrome 120.0 US draft

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Related Scenarios

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Tags: performance, chrome

CSS filter may affect contenteditable performance

When a contenteditable element has CSS filters applied (blur, brightness, etc.), editing performance may be degraded. Typing may lag, and selection may be slow to update.

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CSS will-change may improve or degrade contenteditable performance

When a contenteditable element has CSS will-change property set, performance may be affected. In some cases, it may improve performance by hinting the browser about upcoming changes. In other cases, it may degrade performance by creating unnecessary layers.

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Virtual scrolling libraries interfere with contenteditable selection

When a contenteditable element is used with virtual scrolling libraries (e.g., for large documents), the virtual scrolling mechanism may interfere with text selection and caret positioning. The selection may be lost when elements are removed from the DOM during scrolling.

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