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React · Intermediate · 8 h

React components that work and are tested

Components, props and state, controlled forms, async actions with loading and error states, accessibility, and tests that use the page the way a user does.

Why employers care: Front-end work is judged by users. Teams want components that handle every state, work with a keyboard and screen reader, and are covered by tests.

In the roadmaps for: Blockchain Developer

Lessons, in order

  1. A form component with every state, and tests that act like usersBuild a tip form with validation, loading, success and error states, and test it with Testing Library the way a person would use it.4 min