react pass parameter to component
/* PASSING THE PROPS to the 'Greeting' component */
const expression = 'Happy';
<Greeting statement='Hello' expression={expression}/> // statement and expression are the props (ie. arguments) we are passing to Greeting component
/* USING THE PROPS in the child component */
class Greeting extends Component {
render() {
return <h1>{this.props.statement} I am feeling {this.props.expression} today!</h1>;
}
}<input
type= "text"
value={ this.state.value || "" }
placeholder="Enter Name"
/>import React, { Component } from 'react'; class App extends Component { render() { return ( <div> <Greeting /> </div> ); }} class Greeting extends Component { render() { const greeting = 'Welcome to React'; return <h1>{greeting}</h1>; }} export default App;
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