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Become an AdonisJS Developer

This module is a detailed guide to AdonisJs. AdonisJs, inspired by Laravel, is a Node.js framework that allows developers to build full-stack web applications and micro-API servers.

In this module, you will cover the fundamentals: routes, controllers, middleware, hooks, and more. Each chapter contains code examples and illustrations to enhance your learning, and you will also be able to quiz yourself on the materials covered.

By the time you are done with the module, you'll have plenty of hands-on practice, and will be able to confidently write your full-stack applications in AdonisJs.

Designing Applications with AdonisJS

In the application code given below, which URL must we visit for the string "Join our community?"

```
'use strict'
const Route = use('Route')
Route.get('/', () => 'Welcome!')
Route.get('/about', () => 'Know more about us')
Route.get('/join', () => 'Join our community')
```

In the application code given below, which URL must we visit for the string “Join our community?”
<pre><code>'use strict'
const Route = use('Route')
Route.get('/', () =&gt; 'Welcome!')
Route.get('/about', () =&gt; 'Know more about us')
Route.get('/join', () =&gt; 'Join our community')
</code></pre>

We would like the user to be able to type **/product/product_id** as the URL to see a product's ID. What should be put in the first argument of `route.get()` in the code below?

```
'use strict'
const Route = use('Route')
Route.get('',({ params })=>{
  return `Product with id : ${params.product_id}`;
});
```


We would like the user to be able to type /product/product_id as the URL to see a product’s ID. What should be put in the first argument of <code>route.get()</code> in the code below?
<pre><code>'use strict'
const Route = use('Route')
Route.get('',({ params })=&gt;{
 return `Product with id : ${params.product_id}`;
});
</code></pre>

What will be the output of the following code if we go to <Application_URL>/laptops/thinkpad?

```
'use strict'
const Route = use('Route')
Route.group(() => {
 Route.get('/macbook', () => "Apple")
 Route.get('/thinkpad', () => "Lenovo")
 Route.get('/chromebook', () => "Google")
}).prefix('/laptops')
```

What will be the output of the following code if we go to &lt;Application_URL&gt;/laptops/thinkpad?
<pre><code>'use strict'
const Route = use('Route')
Route.group(() =&gt; {
 Route.get('/macbook', () =&gt; &quot;Apple&quot;)
 Route.get('/thinkpad', () =&gt; &quot;Lenovo&quot;)
 Route.get('/chromebook', () =&gt; &quot;Google&quot;)
}).prefix('/laptops')
</code></pre>

Even if the requested route is not registered, AdonisJs still executes all server middleware.

Even if the requested route is not registered, AdonisJs still executes all server middleware.

Before We Begin

Introduction

Routing and Middleware

Controllers and Views

Request and Response

Session, Validator and Logger

Database

Hooks, Mail and Events

Tests

Conclusion

Appendix

Quiz on Routing and Middleware