# Dangerously SetNote Transform Function api executed just hovering mouse on annotation

**URL:** <https://pdfjs.community/t/dangerously-setnote-transform-function-api-executed-just-hovering-mouse-on-annotation/3633>\
**Category:** Technical Support\
**Tags:** pdfjs-express\
**Created:** [March 13, 2025, 12:08pm UTC](https://pdfjs.community/t/dangerously-setnote-transform-function-api-executed-just-hovering-mouse-on-annotation/3633 "2025-03-13T12:08:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![chethan.a](https://avatars.discourse-cdn.com/v4/letter/c/aeb1de/32.png) [@chethan.a](https://pdfjs.community/u/chethan.a)\
**Post date:** [March 13, 2025, 12:08pm UTC](https://pdfjs.community/t/dangerously-setnote-transform-function-api-executed-just-hovering-mouse-on-annotation/3633/1 "2025-03-13T12:08:43Z")

</div>

**Which product are you using?**  
PDF.js Express Plus

**PDF.js Express Version**  
8.7.5

**Detailed description of issue**  
why the dangerouslySetNoteTransformFunction api executed multiple times just hovering mouse on the annotation