1 <!DOCTYPE html>
2 <html>
3 <!--
4 作者：[email protected]
5 时间：2017-07-22
6 描述：demo1
7 -->
8 <head>
9 <meta charset="utf-8">
10 <title> 任务1</title>
11 </head>
12
13 <body>
14 <label>请输入北京今天空气质量：<input id="aqi-input" type="text"></label>
15 <button id="button">确认填写</button>
16 <div>您输入的值是：<span id="aqi-display"></span></div>
17 <script type="text/javascript">
18 (function() {
19 var buttons = document.getElementById("button");
20 var inputs = document.getElementById("aqi-input");
21 buttons.onclick = function() {
22 var spans = document.getElementById("aqi-display");
23 spans.innerHTML = inputs.value;
24 }
25 })();
26 </script>
27 </body>
28
29 </html>
时间： 2024-10-20 05:55:44