React js props

Pass props in react

/* 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>;
  }
}

Props in class react

class MouseTracker extends React.Component {
  constructor(props) {
    super(props);
    this.handleMouseMove = this.handleMouseMove.bind(this);
    this.state = { x: 0, y: 0 };
  }

  handleMouseMove(event) {
    this.setState({
      x: event.clientX,
      y: event.clientY
    });
  }

  render() {
    return (
      <div style={{ height: '100vh' }} onMouseMove={this.handleMouseMove}>
        <h1>Move the mouse around!</h1>
        <p>The current mouse position is ({this.state.x}, {this.state.y})</p>
      </div>
    );
  }
}

Source: reactjs.org

React js props

function App() {
  return (
    <div className="App">
      <NewComponent name="Ariful Islam Adil" profession="Web-Developer"></NewComponent>
    </div>
  );
}

function NewComponent(props) {
  return (
    <div className="test-class">
      <h1>Name: {props.name}</h1>
      <h3>Profession: {props.profession}</h3>
    </div>
  )
}
export default App;

Similar codes

0 vote169 views2 answers
Go back to screen with params react native
Javascript React
0 vote151 views1 answer
React overflow scroll
Javascript React
0 vote138 views2 answers
Hello world react
Javascript React
0 vote157 views1 answer
Modal react form table
Javascript React
0 vote169 views1 answer
Antd react native
Javascript React
0 vote159 views3 answers
React date format
Javascript React
0 vote151 views1 answer
How react work
Javascript React
6 votes106 views2 answers
React native socket io
Javascript React
0 vote158 views1 answer
React form hook trigger is not a function
Javascript React
1 vote164 views1 answer
Retour a la ligne <p> react
Javascript React