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初學JavaSprit簡單的if...else if 語句

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>無標題文檔</title>

</head>

<body>

<script type="text/javascript">
var d=new Date()
var time=d.getHours()
if(time<=10)
{
 document.write("<b>早上好</b>")
}
else if(time<14&&time>10)
{
 document.write("<b>中午好</b>")
}

else if(time>=14&&time<=17)
{
 document.write("<b>下午好</b>")
}

else
{
 document.write("<b>晚上好</b>")
}
</script>

</body>
</html>
 

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