<html>
<body>html
<p>请点击文本标记之一,就能够触发相关控件:</p>spa
<form>
<label for="male">Male</label>
<input type="radio" name="sex" id="male" />
<br />
<label for="female">Female</label>
<input type="radio" name="sex" id="female" />orm
<label>请输入北京今天空气质量:<input id="aqi-input" type="text"></label>
<button id="button">确认填写</button>htm
<div>您输入的值是:<span id="aqi-display">尚无录入</span></div>input
</form>io
</body>
</html>
form