Hi There, So doing documentation in Node-RED is super simple since there is the info panel and the info property of nodes and tabs and it's all in markdown - wonderful however .... What annoys me is that to preview my changes, I need to save my changes, close the panel open the info panel (if its …

You can already do this. Click the expand button [image] Click the preview button [image] Marvel at the preview [image]

I see the benefit and am in favor. I can edit cleanly this FR (so open a PR) if the team agrees.

[image] GogoVega: I can edit cleanly I also just improved the solution by using the node context instead of the window :slight_smile: But ideally there would be a much better solution than cloning nodes all over the place. I was going to use the setInfoText function but that isn't exported,…

that is indeed very cool especially since the sidebar is still active. It's a 4.x thing right? Didn't find it in my 3.1.x installation.

[image] gregorius: It's a 4.x thing right? Didn't find it in my 3.1.x installation. According to the change history, the preview button for the markdown editor has been there since 0.20.0 - 7 years ago.

[image] knolleary: According to the change history, the preview button for the markdown editor has been there since 0.20.0 - 7 years ago. Mea culpa, my eyes are going - on second looks, it's there in 3.1.x - sorry for the confusion!

@knolleary If you do that expand then it is easy for the preview button to get hidden behind the bar on the right... so much so I missed it completely :wink: [Screenshot 2025-06-12 at 10.50.15]

[image] dceejay: I missed it completely Glad I wasn't the only one! I don't feel quite as much a dufus now. :blush:

Node-RED

Node-RED Forum

Info content preview button

Core Development

knolleary 11 June 2025 13:16 4

You can already do this.

Click the expand button

Click the preview button

Marvel at the preview

Topic		Replies	Views
Quick, contextual access to info on my node/group Core Development	18	290	21 May 2026
NR5: preview node creates new node Feature Requests node-red-5	2	84	1 July 2026
Special indication on nodes with description Feature Requests feature-request	139	2532	20 November 2025
Improved node documentation icon General	8	173	4 August 2025
Info icon for nodes with description? Feature Requests	8	208	18 March 2025

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Info content preview button

Related topics