<script src="js/browser.js" charset="utf-8"></script>
<script src="js/react.js" charset="utf-8"></script>
<script src="js/react-dom.js" charset="utf-8"></script>
<div id="div1"></div>
<script type="text/babel">
let oDiv=document.getElementById('div1');

ReactDOM.render(<span>aaa</span>, oDiv);
</script>

<script type="text/babel">
let oDiv=document.getElementById('div1');

ReactDOM.render(<span title="abc" className="box">aaa</span>, oDiv);
</script>

let oDiv=document.getElementById('div1');

ReactDOM.render(
  <div>
	<label htmlFor="username">姓名：</label>
	<input id="username" type="text" />
  </div>
, oDiv);