JavaScript Upgrade 🚀

Short (10-15 min) tutorial videos exploring and explaining the modern JavaScript features, frameworks, and the ecosystem.

1-2 new screencasts every week.

I focus a lot on functional programming, modern ECMAScript features and React.

For everyone who wants to stay on top of the things, get a broader view on JavaScript world and upgrade a career to the next level.

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Latest Videos

003. Migrating To React Hooks [FREE]

React is preparing a new API which is called Hooks. Hooks is basically a way to create stateful components without using classes. In this quick tutorial, we will convert a classical React component with a state to a functional one.

react functional

002. The Spread (...) Operator

The spread operator (three dots) is one of the most handy new features of JavaScript. It can be used to quickly get access to all function parameters, destruct an object, and in other usecases.

es next standard library new features

001. The Mighty Reduce

In this video we are taking a closer look at the reduce function, when it can be handy and how to implement other array functions like map and filter by using it.

functional standard library

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