What is the difference between the selectors “.cla

问题:

What is the different between .class.class and .class .class?

回答1:

.class .class matches any elements of class .class that are descendants of another element with the class .class.

.class.class matches any element with both classes.

回答2:

1. .name1.name2

   means a div or an element having both classes together, for example:

   <div class="name1 name2">...</div>
   

---

2. .name1 .name2

   means a div or an element which has a class name1 and any of its child nodes having class name2

   <div class="name1">
       <div class="name2">
           ...
       </div>
   </div>
   

回答3:

.class1.class2

Element that has both class1 and class2 set within it's class attribute (like that: class="class1 class2")

.class1 .class2

Element with class2 that is a descendant of an element with class1 class