時計
<body style="background-color:#eee;">
<script>
Number.prototype.fillzero = function(n){
var s = "00000000000"+ this;
var len = s.length;
return s.slice(len-n,len);
}
var refresh = function(){
date = new Date;
document.getElementById('hour').innerHTML = date.getHours().fillzero(2);
document.getElementById('min').innerHTML = date.getMinutes().fillzero(2);
}
setInterval(refresh,1000);
</script>
<div style="font-size:60pt;font-family:sans-serif;text-align:center;">
<span id="hour">00</span>:<span id="min">00</span>
使用変数
<body style="background-color:#eee;">
<script>
Number.prototype.fillzero = function(n){
var s = "00000000000"+ this;
var len = s.length;
return s.slice(len-n,len);
}
var refresh = function(){
date = new Date;
document.getElementById('hour').innerHTML = date.getHours().fillzero(2);
document.getElementById('min').innerHTML = date.getMinutes().fillzero(2);
}
setInterval(refresh,1000);
</script>
<div style="font-size:60pt;font-family:sans-serif;text-align:center;">
<span id="hour">00</span>:<span id="min">00</span>
使用変数
date | |
fillzero | |
id | |
innerHTML | |
len | |
refresh | |
s | |
style |