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added stopwatch demo app #343

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Merged
sumn2u merged 1 commit into from
Oct 6, 2025
Merged

added stopwatch demo app #343

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9 changes: 9 additions & 0 deletions en/beginner-projects/simple-stopwatch.md
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Expand Up @@ -21,3 +21,12 @@ Create a simple stopwatch app that lets users start, stop, and reset a timer to
Add lap functionality to record and display multiple time splits.


## Live Demo
<div align="center">
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Copilot AI Oct 6, 2025

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The CodeSandbox URL uses a short ID 'yyhqfy' which is not descriptive. Consider using a more descriptive URL or adding a comment to identify what this specific sandbox contains.

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<div align="center">
<div align="center">
<!-- This CodeSandbox contains a live demo of the simple stopwatch app described above. -->

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<iframe src="https://codesandbox.io/embed/yyhqfy?view=preview"
style="width:100%; height: 500px; border:0; border-radius: 4px; overflow:hidden;"
title="stopwatch-app"
allow="accelerometer; ambient-light-sensor; camera; encrypted-media; geolocation; gyroscope; hid; microphone; midi; payment; usb; vr; xr-spatial-tracking"
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Copilot AI Oct 6, 2025

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The iframe allows excessive permissions that are unnecessary for a stopwatch demo. Consider restricting permissions to only what's needed, such as removing camera, microphone, payment, geolocation, and other sensitive capabilities.

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allow="accelerometer; ambient-light-sensor; camera; encrypted-media; geolocation; gyroscope; hid; microphone; midi; payment; usb; vr; xr-spatial-tracking"

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sandbox="allow-forms allow-modals allow-popups allow-presentation allow-same-origin allow-scripts"
></iframe>
</div>