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Deno Web Development

You're reading from   Deno Web Development Write, test, maintain, and deploy JavaScript and TypeScript web applications using Deno

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781800205666
Length 310 pages
Edition 1st Edition
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Authors (2):
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Alexandre Santos Alexandre Santos
Author Profile Icon Alexandre Santos
Alexandre Santos
Alexandre Portela dos Santos Alexandre Portela dos Santos
Author Profile Icon Alexandre Portela dos Santos
Alexandre Portela dos Santos
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Table of Contents (15) Chapters Close

Preface 1. Section 1: Getting Familiar with Deno
2. Chapter 1: What is Deno? FREE CHAPTER 3. Chapter 2: The Toolchain 4. Chapter 3: The Runtime and Standard Library 5. Section 2: Building an Application
6. Chapter 4: Building a Web Application 7. Chapter 5: Adding Users and Migrating to Oak 8. Chapter 6: Adding Authentication and Connecting to the Database 9. Chapter 7: HTTPS, Extracting Configuration, and Deno in the Browser 10. Section 3: Testing and Deploying
11. Chapter 8: Testing – Unit and Integration 12. Chapter 9: Deploying a Deno Application 13. Chapter 10: What's Next? 14. Other Books You May Enjoy

Running and installing scripts

In one of his first talks, and in Deno' first version release notes (https://deno.land/posts/v1#a-web-browser-for-command-line-scripts) Dahl used a sentence I like a lot:

"Deno is like a web browser for command-line scripts."

Every time I use Deno, this sentence makes more and more sense to me. I'm sure it will also start to make sense for you as the book proceeds. Let's explore it a little further.

In a browser, when you access a URL, it runs the code that is there. It interprets the HTML and the CSS, and then executes some JavaScript.

Deno, by following its premise of being a browser for scripts, just needs a URL to run code. Let's see it in action.

Honestly, it is not very different from what we've already done a couple of times already. As a refresher, the last time we executed our simple web server, we did the following:

$ deno run --allow-net --import-map=import-maps.json --unstable hello-http...
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