Michael Karén
Michael Karén's Blog

Michael Karén's Blog

Michael Karén

22 followers

I'm a web developer in Oslo. I mostly write about JavaScript and Angular. Sometimes about React and DevOps or other things.

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Game Development: Breakout in JavaScript

Jan 18, 202230 min read

In this article, we create a complete Breakout-style game. The HTML Canvas provides the game container where we draw graphics via JavaScript. After learning how to use the Canvas for graphics and animations, we go through the algorithms behind collis...

Game Development: Breakout in JavaScript

How To Get Started With Canvas Animations In JavaScript

May 24, 20219 min read

I love playing games. And I love coding too. So, one day, I got thinking, why not use those coding skills to make a game? But it sounds hard. How would one even get started? With baby steps. 👣 In this article, we learn to draw and animate objects us...

How To Get Started With Canvas Animations In JavaScript

7 Useful JavaScript Tricks and Tips

May 10, 20216 min read

In this article, I gathered some JavaScript tips and tricks that I believe can make you a better JavaScript developer. In no particular order, here are seven (?) JavaScript tricks! 1. Converting to numbers JavaScript is a loosely typed language, mean...

7 Useful JavaScript Tricks and Tips

A Promise of Asynchronous JavaScript

Apr 20, 202110 min read

In this article, we discover the problems with synchronous JavaScript and how we can solve them with the asynchronous techniques of callbacks, promises, and async/await. We go through the three ways one by one with examples to discover how JavaScript...

A Promise of Asynchronous JavaScript

Maintaining Multi-language Angular Applications with i18n

Apr 5, 202122 min read

Angular i18n and the localizing of applications had an overhaul with version 9, enabled by the new rendering engine Ivy. In this article, we take a closer look at how this built-in package of Angular now works, while pointing out the benefits and dra...

Maintaining Multi-language Angular Applications with i18n

How to Save High Scores in Local Storage

Jan 11, 20215 min read

After creating a game, it would be nice to save our best scores. If we only save the score in memory it will be gone the next time we play. Instead, we can save the scores in the browser’s local storage. This article steps through how to save high sc...

How to Save High Scores in Local Storage