This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
TypeScript
typescriptlang.org
did:plc:svcebrizuuy6vy6tsqmc3icz
Something subtle from @vscode.dev's recent release notes: VS Code core, and all its built-in extensions, are now type-checked with TypeScript 7 native previews!
https://code.visualstudio.com/updates/v1_119#_typechecking-now-uses-typescript-7-for-faster-development-iteration
2026-05-19T17:57:55.862Z