Hello World React

hello-world-react.markdown

Hello World React

this.state 組件免不了要與用戶互動，React 的一大創新，就是將組件看成是一個狀態機，一開始有一個初始狀態，然後用戶互動，導致狀態變化，從而觸發重新渲染 UI http://www.ruanyifeng.com/blog/2015/03/react.html demo8

A Pen by JacobHsu on CodePen.

License.

index.html

 <div id="example"></div>

script.babel

var LikeButton = React.createClass({
  getInitialState: function() {
    return {liked: false};
  },
  handleClick: function(event) {
    this.setState({liked: !this.state.liked});
  },
  render: function() {
    var text = this.state.liked ? 'like' : 'haven\'t liked';
    return (
      <p onClick={this.handleClick}>
        You {text} this. Click to toggle.
      </p>
    );
  }
});

ReactDOM.render(
  <LikeButton />,
  document.getElementById('example')
);