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<html> <head> </head> <body> <script language=JavaScript> var timerID = null; var timerRunning = false; function stopclock () { if(timerRunning) clearTimeout(timerID); timerRunning = false; } function startclock () { stopclock(); showtime(); } function showtime () { var now = new Date(); var hours = now.getHours(); var minutes = now.getMinutes(); var seconds = now.getSeconds() var timeValue = "" +((hours >= 12) ? "下午 " : "上午 " ) timeValue += ((hours >12) ? hours -12 :hours) <!--三运算符的最佳应用--> timeValue += ((minutes < 10) ? ":0" : ":") + minutes <!--三运算符的最佳应用--> timeValue += ((seconds < 10) ? ":0" : ":") + seconds <!--三运算符的最佳应用--> document.clock.thetime.value = timeValue; timerID = setTimeout("showtime()",1000); timerRunning = true; } </SCRIPT> <body οnlοad=startclock()> <form name=clock > <input name=thetime style="font-size: 9pt;color:#000000;border:0" size=12> </form> </body> </body> </html>转载地址：http://fgzo.baihongyu.com/