Props in React | Pass Data between Components | part
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In React, props (short for "properties") are a way to pass data from a parent component to a child component. Props are read-only, meaning the child component cannot modify them.
Here are some key points about props in React:
1. Passing data: Props are used to pass data from a parent component to a child component.
2. Read-only: Props are read-only, meaning the child component cannot modify them.
3. Immutable: Props are immutable, meaning they cannot be changed once they are set.
4. Type checking: React provides type checking for props using PropTypes.
5. Default values: Props can have default values set using defaultProps.
Types of props:
1. String props: Passed as strings, e.g.,
2. Number props: Passed as numbers,
3. Boolean props: Passed as booleans, 4. Object props: Passed as objects,
5. Array props: Passed as arrays,
6. Function props: Passed as functions
Best practices:
1. Use props instead of state: When possible, use props instead of state to pass data to child components.
2. Use PropTypes: Use PropTypes to type-check props and ensure they are valid.
3. Use defaultProps: Use defaultProps to set default values for props.
4. Avoid mutating props: Avoid mutating props in child components, as this can lead to unexpected behavior.