Skip to main content
Side panel
Home
More
English (en)
English (en)
简体中文 (zh_cn)
You are currently using guest access
Log in
Home
Open course index
Open block drawer
p5
参考手册
系统
系统
Book
More
Print book
Print this chapter
Previous
Next
1. 异步
1.2. 当……完成后回调……
call a promise and then callback
Previous
Next