| title | last_updated | keywords | sidebar | comments | permalink |
|---|---|---|---|---|---|
Web |
May 23, 2022 |
study |
mydoc_sidebar |
true |
web.html |
- Coming from not having the same origin.
- Normally solved by setting "Access-Control-Allow-Origin".
- Access-Control-Allow-Origin has to be in the response, not the request(request doesn't matter).
- postMessage : when cross origin happened, it is not possible to refer eachother.