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 vote339 views3 answers
How to get state value from history react
Javascript React
0 vote342 views1 answer
Github create react app buildpack
Javascript React
0 vote338 views1 answer
React receiving socket muitple times
Javascript React
0 vote346 views3 answers
Place footer at the bottom of the page react
Javascript React
3 votes317 views5 answers
./src/App.js Attempted import error: 'Switch' is not exported from 'react-router-dom'.
Javascript React
0 vote329 views2 answers
A function whose declared type is neither 'void' nor 'any' must return a value.
Javascript React
1 vote339 views1 answer
How to map objects in react native
Javascript React
0 vote323 views2 answers
Hosting react on gh pages
Javascript React
7 votes334 views2 answers
How to import js via script in react
Javascript React
0 vote341 views1 answer
React native cors origin
Javascript React