Match when the element sets the "att" attribute, whatever the value of the attribute.

当元素设置了"att"属性时匹配成功，而不论属性值是什么。

youdao

Match when the element sets the "att" attribute, whatever the value of the attribute.

当元素设置了"att"属性时匹配成功，而不论属性值是什么。

youdao