jQuery select a div with a certain class, that doesn't have another class

Question

<div class="fuu">
  ...
</div>

<div class="fuu no">
  ...
</div>

...

How can I select all fuu 's besides the ones that have the .no class?

Answer 1

使用:not()排除其他类：

$('.fuu:not(.no)')

Answer 2

您还可以使用以下内容过滤掉'.no'类：

$('.fuu').not('.no');

Answer 3

获取div的类名，如果它在类名中有一个SPACE则表示它有多个类！