How to show code outline in Visual Studio?
This question was asked quite a while ago and before Visual Studio Code existed but I found it when searching for how to do this with Visual Studio Code so I thought others might stumble on this question too so I thought I'd share my solution. Here's how to do it in Visual Studio Code. I'm using TypeScript but it works for JavaScript, too.
1) View -> Open View
2) select (or type) Outline
3) You'll now get an Outline palette that shows full information on the class including properties and functions.
Also non-free, but Jetbrains Resharper provides a File Structure Window, what perhaps is what you are searching for.
To display this dockable window, select from the menu: ReSharper → Windows → File Structure (default shortcut Ctrl+Alt+F
One great plugin for VS is CodeMaid. It is powerful and it is open source! You can also sort your methods within the CodeMaid Spade view.
Here is a screenshot.