Props – React

What are the props?

Props (short for properties) are the data or functions passed into a component. They are immutable (read-only).

To illustrate how props are used in components, see the following example:

const props = { name: "john", age: 33, country: "Canada" }; const PropTest = (props) => { return( <div name={} age={props.age} country={}> <ul> <li>name={}</li> <li>age={props.age}</li> <li>country={}</li> </ul> </div> ); }; ReactDOM.render( <div> <PropTest {...props}/> </div> , mountNode );

The props are created in the props constant object and then used as inputs in the component and then passed and rendered in the ReactDOM.

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