Web development
TypeScript
JavaScript with types. Catches a whole class of bugs before the code runs.
About 10 hours of study.
Where to learn it
Read
The TypeScript Handbook
Microsoft
The Basics through Narrowing, then Object Types
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Watch
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Exercism
Exercism
TypeScript track
Free practice tracks with mentoring, one per language.
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Which roles ask for it
- Frontend engineer to get hired
- Full-stack engineer in the first year