显示毫秒的时钟
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><script type="text/javascript">var tfunction timedCount(){startTime();}function startTime(){var today=new Date()var h=today.getHours()var m=today.getMinutes()var s=today.getSeconds()var ms=today.getMilliseconds()// add a zero in front of numbers<10m=checkTime(m)s=checkTime(s)ms=Math.floor(checkTime(ms)/100)document.getElementById('txt').value=h+":"+m+":"+s+":"+mst=setTimeout('startTime()',100)}function checkTime(i){if (i<10) {i="0" + i} return i}function stopCount(){clearTimeout(t)}function isKeyPressed(event){ if (event.ctrlKey==1) { startTime(); } if(event.shiftKey==1) { stopCount() } }</script></head><body onkeydown="isKeyPressed(event)"><form><input type="button" value="开始计时！" onClick="timedCount()" ><input type="text" id="txt"><input type="button" value="停止计时！" onClick="stopCount()" ></form><p>请点击上面的"开始计时"按钮。输入框会从 0 开始一直进行计时。点击"停止计时"可停止计时。</p></body></html>发现淘宝后面的一位数是用gif图片来实现的，orz