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What are default props in React?

defaultProps is a property in React component used to set default values for the props argument. It will be changed if the prop property is passed.

class UserComponent extends React.Component {
    constructor(props) {}
    render() {
        return <div>Welcome {this.props.userName}</div>
    }
}
CatComponent.defaultProps = {
    userName: "Guest"
  
}

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