Google’s Closure Library is fascinating too. It’s being retired, but if you want to build a rich text interface for email authoring that truly feels like Gmail,

Google’s Closure Library is fascinating too. It’s being retired, but if you want to build a rich text interface for email authoring that truly feels like Gmail, warts and all, you can just use a pre-compiled version of the library and follow https://github.com/google/closure-library/blob/master/closure/goog/demos/editor/editor.html https://github.com/google/closure-library/blob/master/closur... within a more modern codebase!