<p>var d=new Date();<br /> alert(&quot;星期&quot; + d.getDay() );<br /> <br /> 0 Sunday<br /> 1 Monday<br /> 2 Tuesday<br /> 3 Wednesday<br /> 4 Thursday<br /> 5 Friday<br /> 6 Saturday<br /> alert(&quot;今天星期&quot;+&quot;天一二三四五六&quot;.charAt(new Date().getDay()));</p>