React in Practice

Forms, data fetching and performance — where the model meets a real application.

3 concepts · 125 minutes

• Forms & ValidationControlled vs uncontrolled, and validating the same rules on both sides of the wire.
• Client Data FetchingLoading, error, empty, stale, race — the five states everyone forgets four of.
• React PerformanceMeasure, then memo — in that order, or you'll add complexity for nothing.