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Express Web Application Development

You're reading from   Express Web Application Development Here's a comprehensive guide to making the most of Express's flexibility in building web applications. With lots of screenshots and examples, it's the perfect step-by-step manual for those with an intermediate knowledge of JavaScript.

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Product type Paperback
Published in Jun 2013
Publisher Packt
ISBN-13 9781849696548
Length 236 pages
Edition 1st Edition
Languages
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Author (1):
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Hage Yaaapa Hage Yaaapa
Author Profile Icon Hage Yaaapa
Hage Yaaapa
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Toc

What are Routes?


Routes are URL schema, which describe the interfaces for making requests to your web app. Combining an HTTP request method (a.k.a. HTTP verb) and a path pattern, you define URLs in your app.

Each route has an associated route handler, which does the job of performing any action in the app and sending the HTTP response.

Routes are defined using an HTTP verb and a path pattern. Any request to the server that matches a route definition is routed to the associated route handler.

Route handlers are middleware functions, which can send the HTTP response or pass on the request to the next middleware in line. They may be defined in the app file or loaded via a Node module.

A quick introduction to HTTP verbs

The HTTP protocol recommends various methods of making requests to a Web server. These methods are known as HTTP verbs. You may already be familiar with the GET and the POST methods; there are more of them, about which you will learn in a short while.

Express, by default, supports...

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