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Building SPAs with Django and HTML Over the Wire

You're reading from   Building SPAs with Django and HTML Over the Wire Learn to build real-time single page applications with Python

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781803240190
Length 264 pages
Edition 1st Edition
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Author (1):
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Andros Fenollosa Andros Fenollosa
Author Profile Icon Andros Fenollosa
Andros Fenollosa
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Table of Contents (14) Chapters Close

Preface 1. Part 1: Getting Started with Python
2. Chapter 1: Setting up the Virtual Environment FREE CHAPTER 3. Chapter 2: Creating a Django Project around Docker 4. Part 2: WebSockets in Django
5. Chapter 3: Adding WebSockets to Django 6. Chapter 4: Working with the Database 7. Chapter 5: Separating Communication in Rooms 8. Part 3: HTML over WebSockets
9. Chapter 6: Creating SPAs on the Backends 10. Chapter 7: Creating a Real-Time Blog Using Only Django 11. Part 4: Simplifying the frontend with Stimulus
12. Chapter 8: Simplifying the Frontend 13. Other Books You May Enjoy

Capturing references with targets

Stimulus connects to form inputs via targets, or a special dataset. Internally, Stimulus creates a variable that can be used anywhere in the controller. For example, we define in the DOM an alias called name:

<div data-controller="aliasController">
<input type="text" data-aliasController-target="name">
</div>

While in the controller, we define the following:

static targets = [ "name" ]

From here, I can call the target within any function/method in the following way:

this.nameTarget

As you can see, the alias is joined with the target text.

In the application we are developing, we have defined the target with the name myText:

static targets = [ "myText" ]

We update the DOM of the input as follows:

<input type="text" data-transformer-target="myText" 
  placeholder="Enter text">

The whole frontend is ready...

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