Inline diagnostics
Errors map to lesson steps, not mystery stack traces.
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Showroom · Developer & infra
101typescript.yusuf-choudhury.comSYS-INF-29Type-check and run TS in the browser classroom.
Compiler diagnostics inline with exercises — generics, unions, and strict mode paths with mock tsc output.
£15/mo
Plan from
Mock tsc
Compiler
101 Sandbox
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Product studio
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Shared YOOM chrome · unique developer & infra console for 101 TypeScript.
Live stub · 101 TypeScript
101-typescript · console
live stubWhy it ships
Strict mode paths
Toggle strictness to match your team's config.
Demo KPIs
Completion velocity and error-rate telemetry.
Live
Deploy · 101 TypeScript
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Early access
Join the 101 TypeScript waitlist.
Visual-first v1 — polished showroom and interactive demo today; live keys at Wave 30.
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Early access application
101 TypeScript
Live intent score
64
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