Example: JSON Web Tokens with Vanilla JavaScript

In this post we’re going to learn how to use JSON web tokens on the frontend with vanilla JavaScript and no libraries necessary. What you learn will be easily applicable to frameworks such as Angular, Angular2, Vue.js or similar.

In the last post we had a look at how to create an express app with jwt authentication.

Why No Framework?

I wanted to write a post simply illustrating how everything works and how easily this can be achieved without any frameworks in place. It’s just another layer of abstraction you have to learn if you’re just trying to build some sort of login for your web app.

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