BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>BootWiki 教程网</title> </head> <body onload="startTime()"> <div id="txt"></div> <script> function startTime() { var today = new Date(); var h = today.getHours(); var m = today.getMinutes(); var s = today.getSeconds(); // 在 numbers<10 的数字前加上 0 m = checkTime(m); s = checkTime(s); document.getElementById("txt").innerHTML = h + ":" + m + ":" + s; var t = setTimeout(function(){ startTime() }, 500); } function checkTime(i) { if (i < 10) { i = "0" + i; } return i; } </script> </body> </html>
运行结果