ui button state animation active Active Hove Focus flip Tap Swipe Long Press Pinch Spread javascript

 https://www.uxmatters.com/mt/archives/2019/04/excerpt-responsible-responsive-design.php

https://docs.flutterflow.io/actions/actions/animation/widget-animation 

ui  state animation  Active

https://m2.material.io/design/interaction/states.html

https://www.etatvasoft.com/blog/react-alternatives/

https://cloudfour.com/thinks/designing-button-states/

https://js.libhunt.com/

https://js.libhunt.com/plyr-alternatives

https://js.libhunt.com/

+"Online" Code Editors  DEMO Replit Jsfiddle CodePen StackBlitz CodeSandbox CodeJS

https://www.milesweb.com/blog/hosting/code-playgrounds/

https://alternativeto.net/software/stackblitz/?feature=code-editor

https://alternativeto.net/software/codesandbox/about/

https://medium.com/tag/code-editor-online 

https://bugfender.com/blog/top-10-online-code-editors-for-web-development/

https://medium.com/@riviannews/top-5-javascript-online-code-editors-in-2023-8bde1b05a7d7