源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> </head> <body> <p>页面上显示时钟：</p> <p id="demo"></p> <button onclick="myStopFunction()">停止时钟</button> <script> var myVar=setInterval(function(){myTimer()},1000); function myTimer(){ var d=new Date(); var t=d.toLocaleTimeString(); document.getElementById("demo").innerHTML=t; } function myStopFunction(){ clearInterval(myVar); } </script> </body> </html>
运行结果：