文档

1. Mounted:react Components被render解析生成对应的dom节点并被插入浏览器的dom结构的一个过程
2. update:一个mounted的react Components被重新render的过程.
3. unmounted:

var Hello = React.createClass({
  displayName: 'Hello',
  render: function() {
    return React.createElement("div", null, "Hello ", this.props.name);
  }
});

ReactDOM.render(
  React.createElement(Hello, {name: "World"}),
  document.getElementById('container')
);