switch 问题?不懂？
var myweek =3;//myweek表示星期几变量
switch(myweek)
{
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
break;
case 6:
case 0:
document.write("周六、日休息和娱乐");
break;
default:
document.write("请输0~6范围的数"）;
}
</script>//为什么输出不了？求解？
