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userEvent.paste possibly casts string to a number #1053

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bugneeds investigationreleased

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Reproduction example

https://codesandbox.io/s/happy-architecture-1crzb7?file=/src/App.test.js

Prerequisites

Go to Tests tab and run the test
Notice that the test fails due to mismatched paste value
If you check console log of App, the raw e.target.value equals to 0.8 (instead of .80)

Expected behavior

userEvent.paste should return .80.

Actual behavior

userEvent.paste returns 0.8 (was somehow cast to a number?).

User-event version

14.4.3

Environment

N/A. Can be reproduced in codesandbox.

Additional context

This used to work in v13+. Please see repro below.
https://codesandbox.io/s/hungry-wildflower-e5o25n?file=/src/App.test.js

jnous-5
added
bugSomething isn't working

needs assessmentThis needs to be looked at by a team member
on Sep 6, 2022
ph-fritsche
added
needs investigationSomeone has to do research on this
and removed
needs assessmentThis needs to be looked at by a team member
on Sep 14, 2022
snowystinger
closed this as completedin #1339 on Nov 10, 2026
github-actions commented on Nov 10, 2026
github-actionsBot
on Nov 10, 2026 – with GitHub Actions
🎉 This issue has been resolved in version 14.6.9 🎉

The release is available on:

npm package (@latest dist-tag)

GitHub release

Your semantic-release bot 📦🚀
github-actions
added
released
on Nov 10, 2026
snowystinger
added a commit that references this issue on Nov 12, 2026
fix: keep the string value of valid numbers in number inputs (testing…
edef34d

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