javascript Déclarationdecomponent

Posted 2021-05-03

class Board extends React.Component {
  constructor(props) {
\!h    super(props);

    this.state = {

      // Initialization of the square values.
      // In React, we must use a descendant logical to share data between components.
      squares: Array(9).fill(null)

    };
  }

  handleClick(i) {
    const squares = this.state.squares.slice();
    squares[i] = 'X';
    this.setState({squares: squares});
  }

  renderSquare(i) {
    return <Square value={this.state.squares[i]} onClick={() => this.handleClick(i)}/>;
  }

  render() {
    const status = 'Next player: X';

    return (
      <div>
        <div className="status">{status}</div>
        <div className="board-row">
          {this.renderSquare(0)}
          {this.renderSquare(1)}
          {this.renderSquare(2)}
        </div>
        <div className="board-row">
          {this.renderSquare(3)}
          {this.renderSquare(4)}
          {this.renderSquare(5)}
        </div>
        <div className="board-row">
          {this.renderSquare(6)}
          {this.renderSquare(7)}
          {this.renderSquare(8)}
        </div>
      </div>
    );
  }
}