直接获取星期几 的函数是？

Question

<script language="javascript">
<!--
var oDate = new Date();
alert("今天星期"+oDate.getDay()+"哦");
//-->
</script>

Answer 1

<script language=JavaScript>
var day=["日","一","二","三","四","五","六",]
alert("星期"+day[new Date().getDay()])
</script>

Answer 2

<script language="javascript">
<!--
var oDate = new Date();
var oDay = oDate.getDay();
var str = "今天是星期";
switch(oDay){
case 0:alert(str+"天");
case 1:alert(str+"一");
case 2:alert(str+"二");
case 3:alert(str+"三");
case 4:alert(str+"四");
case 5:alert(str+"五");
case 6:alert(str+"六");
}
//-->
</script>