ヘッダ部分
<SCRIPT LANGUAGE="JavaScript">
function nowTime() {
today = new Date()
var t = (today.getHours() >= 10) ? today.getHours() : "0" + today.getHours()
var m = (today.getMinutes() >= 10) ? today.getMinutes() : "0" + today.getMinutes()
var s = (today.getSeconds() >= 10) ? today.getSeconds() : "0" + today.getSeconds()
document.clock.now_time.value = t + ":" + m + ":" + s
timerID = setTimeout("nowTime()" , 1000);
}
</SCRIPT>
ボディ部分
<BODY onLoad="nowTime()">
:
:
<FORM NAME="clock">
<INPUT TYPE="button" NAME="now_time" value="時刻を表示します">
</FORM>