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Ivan Sevilla

Hi! I'm a JavaScript developer. I like to create web products and write things that I think are interesting.

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September 15, 2021

How Test Works in JavaScript

Is difficult to become an expert in something if you don't know how really works under the hood. So, in this post, I'll show you how assertions libraries and testing frameworks work in JavaScript meanwhile we build a little one.

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August 23, 2021

How to Create a Web Component?

Introduction to the fundamentals of web components, the way to create new custom, reusable, encapsulated HTML tags to use in web apps that will work across modern browsers, and can be used with any JavaScript library or framework.