9min chapter

Frontend First cover image

Throw is about control flow – not error handling

Frontend First

CHAPTER

Exploring Error Handling with Throw and Safe Parse in JavaScript

This chapter delves into the decision-making process between using throw for exceptional cases and safe parse for handling errors in scenarios like form validation and server actions in JavaScript. It highlights the distinction between handling errors locally and globally, showcasing when to use error objects, throw errors for control flow, and leveraging throwing errors for specific use cases like redirects in rendering and server components. The speakers discuss how 'throw' can be used not just for error handling but also for controlling flow, injecting error boundaries, and implementing caching mechanisms in languages like Rails.

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