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      Gumroad Library

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      JavaScript Upgrade

      🚀Short (10-15 min) tutorial videos exploring and explaining the modern JavaScript, how the language works, handy libraries and awesome frameworks.

      👊New video every week!

      ⭐Get access to all videos for streaming and download as well as all the upcoming videos (see the upcoming section).

      👉No obligations. Cancel anytime.


      The Latest Videos

      🆕018. Building a REST API with Koa (Part 1)  - 18:00 [node, koa]

      In the first part we are going to get a closer look at Koa which is server-side framework for Node with a minimal API with support for async/await syntax. It is based on using the middle-wares which are just simple functions that can be stacked together in a chain. Every middleware does its job and then passes the state to the next one.


      🆕017. OOP In JavaScript: The Prototype Chain - 11:46 [language]

      The object model implemented in JavaScript is significantly different from other mainstream object-oriented languages like Java or C++. Even thought the syntax is very similar, especially with the class declaration introduced in 2015 with ECMAScript 6, the structural difference is huge. In this video, we'll see how the prototype chain (which is a very basis for OOP in JavaScript) works.


      🆕016. Optimizing Performance With React Hooks - 12:16 [react]

      React Hooks introduced quite a few misunderstandings about the performance of your application. In this video we'll quickly walk through a typical optimisation process with the help of React.memo and useCallback hook.


      015. ReasonML pt.2: Pipes, more pattern matching, and param types - 15:54 [reasonml, functional]

      In this part we'll have a closer look at the coolest features of ReasonML: the pipe operator, pattern matching and the param types.


      014. ReasonML pt.1: Syntax, types, and pattern matching - 16:58 [reasonml, functional]

      The first part on ReasonML, a powerful functional language from Facebook with strict type system. Here we talk about the syntax, basic types and some neat features like the pattern matching


      013. Ramda.js: Functional Done Right - 14:46 [tutorial]

      012. A Quick Introduction To Vue.js - 14:16 [tutorial]

      011. Some JavaScript Hacks Explained — 16:56 [react]

      010. Trello-like Task Manager With react-beautiful-dnd — 35:55 [react, tutorial]

      009. Building A Chrome Extension With React And Parcel — 25:03 [react, tutorial]

      008. A Quick Introduction To TypeScript — 21:11 [typescript]

      007. JsEx Solution pt. 2 — 12:50 [exercises] 

      006. JsEx Solution pt. 1 — 14:14 [exercises] 

      005. Lodash pt. 2: Curry, memoize, debounce, and at — 13:28 [libraries]

      004. Lodash pt. 1: Working with arrays — 10:54 [libraries]

      003. Upgrading To React Hooks — 09:24 [react]

      002. The Spread Operator — 10:10 [es-next]

      001. The Magnificent Reduce — 08:26 [functional]


      FREE VIDEOS:

      - 011. Some JavaScript Hacks Explained

      More free videos at https://javascriptupgrade.com/


      Coming Up Next

      019. Building a REST API with Koa (Part 2) (lands on Aug 24)

      020. Workflow — Chrome DevTools: Tips And Tricks (lands on Aug 31)

      021. Closer look: Async/await

      022. Workflow — Setting Up Vim for JavaScript And React

      023. Closer look: generators

      024. Closer look: destructoring

      025. Elm: more functional

      026. Building an iOS app with Ionic

      027. Server-side: what are lambda functions and why would you use them?

      028. Framework Review: Svelte

      ... and more to come

      Want to suggest a topic? Write to me!

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