不懂这一节
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>定时器</title> <script type="text/javascript"> var attime; function clock(){ var time=new Date(); attime=time.getHours()+";"+time.getMinutes()+";"+time.getSeconds(); setInterval(clock,100); document.getElementById("clock").value = attime; } </script> </head> <body> <form> <input type="text" id="clock" size="50" /> </form> </body> </html>
这一节的结果是什么