Check this out:
Online VS Code IDE for Angular & React & Ionic
If you click the big “Ionic” button on the start page, you get something like that:
Editor: https://stackblitz.com/edit/ionic-rs44uw
App: https://ionic-rs44uw.stackblitz.io/
Could this be “our” new plunkr to quickly build reproducible examples of stuff?
Here is some more background information:
Interesting stuff, e.g. offline editing via PWA.
Funny by the way how the app uses Ionic 3.5.2 but the CSS of 3.5.3 
(Hey StackBlitz, consider this a bug report 
)
(Created an issue: https://github.com/stackblitz/core/issues/16)
is there a way to add css styling?
Exactly what I thought when I first took a look at it, also I found it easier than plunkr,
I think it would be good for beginners to start learning ionic
Looks cool and useful!
Hi! Creator here — you can add CSS styles in components by importing any CSS files you create. Besides that, you can also include CDN CSS files as well 
Lmk if there are any other features that you’d like to see here!
Eric added proper a proper export of the Ionic project, so you can just download it and then run npm install and `ionic serve´ in the unzipped folder - very cool!
Now Saas support out of the box. Awesome.
See here: https://stackoverflow.com/questions/46252546/add-scss-file-to-the-stackblitz
Stackblitz got a nice mention blog.angular.io
Maybe we all upvote import of ionic projects from Github?
Will be usefull for this forum as well
Does anyone have a stackblitz for Ionic 4 working? I’m missing something:
Here you go
And direct importing of GitHub Angular 6 Ionic 4 project does work only after removing the references to Platform.
Simple tabs Ionic 4 angular project uploaded in github:
https://stackblitz.com/github/Tommertom/ionic4ngTabs
-> remove Platform in app.component.ts, module and testbed.
Only icons not showing…