Implement a Route Handler
Explore how to implement route handlers in Express to manage POST requests with JSON and URL-encoded data. Understand middleware usage, data extraction, and saving data to a database, improving your REST API building skills.
We'll cover the following...
We'll cover the following...
We’ve already seen an example of a built-in middleware when we used the express.static() method earlier on to serve static assets to the client.
Route handler for POST
A common server task is to handle form data or JSON data submitted via a POST request. However, by default, Express doesn’t know how to handle certain types of requests, like a POST request that contains JSON data in the request body, unless we call specific middlewares.
Let’s take a look at two widely used built-in middlewares:
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