JavaScript
８．日付・時刻<54p>
<html>
<head>
<title>variable</title>
</head>
<body>
<script type="text/javascript">
day =new Date().getHours();
if (day <=5) {
document.write("おはよう");
document.bgColor="aqua";
document.fgColor="blue";
}
else if (day <= 10) {
document.write("こんにちは");
document.bgColor="yellow";
document.fgColor="blue";
}
else if (day <= 17) {
document.write("こんばんは");
document.bgColor="green";
document.fgColor="blue";
}
else if (day <= 19) {
document.write("おやすみなさい");
document.bgColor="blue";
document.fgColor="blue";
}
else if (day <= 22) {
document.write("寝ましょう");
document.bgColor="#rrggbb";
document.fgColor="blue";
}
</body>
</html>