w3school TIY
编辑您的代码：
<!DOCTYPE html> <html> <head> <script type="text/javascript" src="../example/html5/demo_time.js" charset="UTF-8"></script> </head> <body> <p>当前日期/时间：<span id="timePara"></span></p> <button onclick="getDateTime()">获得当前日期和时间</button> </body> </html>
查看结果: