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Wscats/spy

A simple module that displays DOM attributes on mouseover inside a tooltip.

Spy

Download: Google Extension

A simple module that displays DOM attributes on mouseover inside a tooltip.

Demo

Instructions

Copy and paste the entire code into your web console
Include the JS file in your code base
This is implemented as an IIFE so the spy is turned on immediately upon execution.

Use cases

Help troubleshoot a UI bug
Ensure that your app's DOM elements are working as expected (getting the right class on click, etc)
Find out how another web app is structured

Thanks

License

Spy is released under the MIT.

Languages

JavaScript52.8%HTML46.5%Shell0.8%

Contributors

Created September 9, 2017
Updated December 23, 2025
Wscats/spy | GitHunt