​x
 
<html>
<body>
​
<script type="text/javascript">
var d = new Date()
var time = d.getHours()
if (time<10)
{
document.write("<b>Good morning</b>")
}
else if (time>=10 && time<16)
{
document.write("<b>Good day</b>")
}
else
{
document.write("<b>Hello World!</b>")
}
</script>
​
<p>鏈緥婕旂ず if..else if...else 璇彞銆�</p>
​
</body>
</html>
​