枠内をコピーしてそのまま貼り付けて下さい。 <FORM NAME="passage"><INPUT NAME="time" SIZE="8"> <SCRIPT LANGUAGE="JavaScript"> <!-- var date = new Date(); var hour1 = date.getHours(); var min1 = date.getMinutes(); var sec1 = date.getSeconds(); function clock() { var date = new Date(); var hour2 = date.getHours(); var min2 = date.getMinutes(); var sec2 = date.getSeconds(); var sec = sec2 - sec1; if (sec < 0) { sec = sec + 60; min2--; } var min = min2 - min1; if (min < 0) { min = min + 60; hour2--; } var hour = hour2 - hour1; if (hour < 0) { hour = hour + 24; } if (hour < 10) { hour = "0" + hour; } if (min < 10) { min = "0" + min; } if (sec < 10) { sec = "0" + sec; } document.passage.time.value = hour + ":" + min + ":" + sec; setTimeout('clock()', 900); } clock(); // --> </SCRIPT> </FORM>
