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Web Development with MongoDB and Node.js

You're reading from   Web Development with MongoDB and Node.js Build an interactive and full-featured web application from scratch using Node.js and MongoDB

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Product type Paperback
Published in Sep 2014
Publisher Packt
ISBN-13 9781783987306
Length 294 pages
Edition 1st Edition
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Author (1):
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Jason Krol Jason Krol
Author Profile Icon Jason Krol
Jason Krol
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Toc

Table of Contents (14) Chapters Close

Preface 1. Welcome to JavaScript in the Full Stack 2. Getting Up and Running FREE CHAPTER 3. Node and MongoDB Basics 4. Writing an Express.js Server 5. Dynamic HTML with Handlebars 6. Controllers and View Models 7. Persisting Data with MongoDB 8. Creating a RESTful API 9. Testing Your Code 10. Deploying with Cloud-based Services 11. Single Page Applications with Popular Frontend Frameworks 12. Popular Node.js Web Frameworks Index

Responding to GET requests


Adding a simple GET request support is fairly simple, and you've seen this before already in the app we built. Here is some sample code that responds to a GET request and returns a simple JavaScript object as JSON. Insert the following code in the routes section where we have the // TO DO: Setup endpoints ... waiting comment:

router.get('/test', function(req, res) {
    var data = {
        name: 'Jason Krol',
        website: 'http://kroltech.com'
    };

    res.json(data);
});

Just like we set up viewModel in Chapter 5, Dynamic HTML with Handlebars, we create a basic JavaScript object that we can then send directly as a JSON response using res.json instead of res.render. Let's tweak the function a little bit and change it so that it responds to a GET request against the root URL (that is /) route and returns the JSON data from our movies file. Add this new route after the /test route added previously:

router.get('/', function(req, res) {
    res.json(json);
})...
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