<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>显示当前北京时间</title> <script language=Javascript> function time() { //获得显示时间的div t_div = document.getElementById('showtime'); var now = new Date() //替换div内容 t_div.innerHTML = "现在是" + now.getFullYear() + "年" + (now.getMonth() + 1) + "月" + now.getDate() + "日" + now.getHours() + "时" + now.getMinutes() + "分" + now.getSeconds() + "秒"; //等待一秒钟后调用time方法，由于settimeout在time方法内，所以可以无限调用 setTimeout(time, 1000); } </script> </head> <body onload="time()"> <div id="showtime"></div> </body> </html>
效果图：
