React

by aparadise

HTML

<div id="app"></div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

React

class TodoApp extends React.Component {
  constructor(props) {
    super(props)
    this.state = {
    	items: [
      	{ id: 1, text: "Learn JavaScript"},
        { id: 21, text: "Learn React" },
        { id: 31, text: "Play around in JSFiddle" },
        { id: 17, text: "Build something awesome" }
      ]
    }
    
    this.myItems = this.state.items.map((item, i) =>
      <p className={i} key={item.id}>{item.text}</p>
    );

  }
  
  render() {
    return (
      <div>
       {this.myItems}
      </div>
    )
  }
}

ReactDOM.render(<TodoApp />, document.querySelector("#app"))