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> ); } }