问题描述
.class.class和.class.class有什么区别?
推荐答案
.class .class 匹配 .class 类中的任何元素后代.class 类的另一个元素的strong>.
.class .class matches any elements of class .class that are descendants of another element with the class .class.
.class.class 匹配具有这两个类的任何元素.
.class.class matches any element with both classes.