Create An API: CORS, SPA / Client-Side Routing Explanation
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In this video we learn how to create a basic API with Express. We cover how to make routes flexible with parameters and query-strings, how to work with incoming JSON, how to use Postman, how to make our API available from any domain (CORS policy) and finally we look at examples of how a front-end can leverage our API and client-side-routing to create a dynamic Single Page Application.
0:00 Intro
1:17 Getting Started
3:32 URL Parameters
7:57 URL Query-Strings
9:35 Receive Incoming JSON
11:47 Postman
16:41 CORS
25:05 Plain JS Client-Side Routing
31:38 React Router
37:43 Outro
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