您好微博授权时候 报Fail to recieve the access token 什么意思？

Event capturing

When you use event capturing
               | |
---------------| |-----------------
| element1     | |                |
|   -----------| |-----------     |
|   |element2  \ /          |     |
|   -------------------------     |
|        Event CAPTURING          |
-----------------------------------
the event handler of element1 fires first, the event handler of element2 fires last.

Event bubbling

When you use event bubbling
               / \
---------------| |-----------------
| element1     | |                |
|   -----------| |-----------     |
|   |element2  | |          |     |
|   -------------------------     |
|        Event BUBBLING           |
-----------------------------------
the event handler of element2 fires first, the event handler of element1 fires last.