Explain props in React and how parent components pass data to children
WHAT IT TESTS: Your grasp of props as the read-only, one-way parent-to-child interface. ANSWER OUTLINE: Define props as the single object argument; show destructuring; stress immutability and downward flow; note defaults.
WHAT IT TESTS: Whether you understand props as the read-only, unidirectional contract isolating parent and child. ANSWER OUTLINE: Define props as the single object argument; demonstrate destructuring like function Avatar({ person, size }); stress that data flows only downward and props must never be mutated; note default values. RED FLAG: Describing props as mutable state, suggesting children modify parent data, or proposing two-way binding without callback props.
Read the original → react.dev
- #react
- #props
- #component-communication
- #senior-interview
- #frontend
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