<body onload="timer1()"> <script language=vbscript> dim clock sub timer1() form1.text1.value=now clock=window.settimeout("timer1()",102) end sub sub termin() form1.text1.value="" window.cleartimeout(clock) end sub </script> <form id="form1"> <input type=text id="text1" value=""> <input type=button value="開始計時" onclick="timer1()"> <input type=button value="停止計時" onclick="termin()"> </form>