跨域、this指向
不要再问我跨域的问题了:
https://segmentfault.com/a/1190000015597029?utm_source=tag-newest
不要再问我this的指向问题了:
https://segmentfault.com/a/1190000015438195
https://segmentfault.com/a/1190000015597029?utm_source=tag-newest
https://segmentfault.com/a/1190000015438195