Handling errors on purpose
Throw your own errors, catch them with try, catch and finally, and keep a page working when JSON is broken or a server answers with an error.
- The skill
- Throw, catch and recover from errors so one failure does not break the app.
- You make
- An age checker, a safe save loader and a news feed that survives a broken server.
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Builds on 28 fetch and APIs. Free to try: Web Foundations and the playground.
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4 exercises in this lesson, checked as you type. Premium opens every lesson after Foundations, in all four courses.
JavaScript