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Fix: example.js stores defaultHTML function reference instead of calling it, causing examples to display raw JavaScript source in preview #4344
Description
p5.js version
v18.20.8
What is your operating system?
Windows
Web browser and version
Brave1.96.61 Chromium: 154.0.8037.98 (Official Build) (64-bit)
Actual Behavior
Bug Description
When running npm run fetch-examples locally, opening any example sketch
shows raw JavaScript function source code in the preview panel instead of
rendering a proper HTML page.
The preview panel displays raw JavaScript function source code:
Expected Behavior
The preview panel renders a proper HTML page that runs the p5.js sketch.
Steps to Reproduce:
- Clone the repository and complete manual installation
- Run
npm run fetch-examples - Start the server with
npm start - Open any example sketch from File → Examples
- Observe the preview panel
Activity
syedbarkath980 commentedon Oct 4, 2026
Hi maintainers, I discovered and reported this bug while setting up
the project locally as a new contributor. I have already identified
the root cause and the fix is a one-line.
Could I be assigned to this issue so I can submit the PR?
doradocodes commentedon Oct 30, 2026
I was also able to reproduce this issue locally. @syedbarkath980 you are welcome to investigate and submit a PR. I will assign the issue to you.
syedbarkath980 commentedon Oct 30, 2026
Hi @doradocodes i have opened the PR: #4395 please review it. Thanks!