How To Use a Python Variable in an External Javascript (Django)

One way to use a Python variable in an external Javascript is to declare the JS variable in the HTML template through the context object, then pass this variable to the external script code :

HTML
 
<script type="text/javascript"> 
  js_var_from_dj = "{{ django_var }}";
</script>
<script src="https://dzone.com{% static "js/js_file.js" %}" type="text/javascript"></script>

js_file.js :

Tutorial Part 2: How to Build a Progressive Selfies Web App with JavaScript

If you're looking to build a powerful PWA that takes advantage of the hardware on a device, things are only going to get better. In my previous post, I explained the fundamental concepts of PWA. In this article, I will discuss some PWA features that provide access to your hardware APIs:

Requirements

To start with this tutorial you must install the following:

Tutorial: How to Build a Progressive Web App (PWA)

You need a native app. That's what we've been told repeatedly since Apple first announced the iPhone App Store. And perhaps you do. Native apps can make sense, depending on an organization's size and needs.

But what about potential customers who don't have your app? Or current customers on a desktop computer? What about people with limited space on their phones who delete apps to make room for other things? What is their experience like?

Progressive Web App Development: Technical Components

PWA technology is software that enables users to create websites that behave like mobile apps. Built on the lines of intelligent caching, PWA stores HTML, CSS,  and image files in a browser's cache, which allows for efficient page-load speed. PWA development enhances user experience, as it facilitates offline website access, background data synchronization, push notifications, etc.

Frameworks like React, Angular, Vue.js, etc. can be used to write PWAs.