readme

Author: bradwestfall

lessons/03-request-response/lecture/NOTES.md

@@ -7,6 +7,8 @@ new Request('url')
 new Response()
 ```
 
+## Request
+
 These are the foundations of what `fetch` operates on.
 
 ```js
@@ -16,3 +18,15 @@ fetch('site.com')
 const req = new Request('site.com')
 fetch(req)
 ```
+
+## Response
+
+`fetch` returns a promise that "resolves" an instance of Response:
+
+https://developer.mozilla.org/en-US/docs/Web/API/fetch#return_value
+
+If the response contains JSON data, you can resolve that from the response object:
+
+```js
+fetch().then((res) => res.json())
+```