$ npm install
$ npm start
# In browser, open up localhost:3000| Route | Description |
|---|---|
localhost:3000/without-jsonp |
Client is making a failing cross-origin request |
localhost:3000/with-jsonp |
Client is making a JSONP request |
localhost:3000/with-cors |
Client is making successful cross-origin request. The server is adding Access-Control-Allow-Origin to avoid same-origin policy |
localhost:3000/with-proxy |
Client is making a request to its own origin server. The origin server is making a cross-origin request. The Same-origin policy only applies to browsers |