MutationObserver may interfere with contenteditable editing

When a MutationObserver is attached to a contenteditable element or its parent, the observer callbacks may interfere with editing performance. Frequent DOM mutations during typing can trigger many observer callbacks, causing lag or jank.

References

• Stack Overflow: How to reproduce batched mutations from MutationObserver - Mutation batching
• BhojPress: Exploring Observer Patterns in JavaScript - Performance optimization
• Stack Overflow: MutationObserver create infinite loop - Observer disconnection patterns
• LenioLabs: Mutation Observer - Optimization techniques
• MoldStud: Maximize DOM performance with MutationObserver - Batching and throttling
• Dev.to: Tracking changes in the DOM using MutationObserver - Alternative approaches