Jira search engine in your browser
Instructions on how to configure Chrome to allow searching for Jira tickets from the URL bar.
Focusing and skipping tests
Some notes on how to tell your testing framework which tests to run.
Fixing keyboard navigation for MacOS browsers
Instructions on how to manually enable tabbing through all focusable elements on a page if you are using MacOS.
Testing asynchronous code
A brief intro to the different ways to set up your asynchronous tests and the reason behind it.
DOM traversal and manipulation
Cheatsheet for working with the DOM in Vanilla JS.
Getting clever with Array#reduce
A handful of rather unconventional yet interesting use cases for reducing arrays.
DOM & BOM revisited
Reviewing DOM manipulation and talking to the browser with JavaScript.
A simple Observable implementation
Let's write our own Observable interface implementation to understand what's going on under the hood when we work with RxJS.
Arrays, objects and mutations
Some ideas on how to treat arrays and objects as if they were immutable.
A look at the inner workings of Redux
Let's try to understand what's really going on under the hood when we use Redux by implementing a simplified version of it from scratch.
Making sense out of Context
Learn how the this keyword works, and the different ways in which contexts are bound on function calls.
Manipulating event streams
Here we'll explore how applying transformations to source streams produce new observables.
Event Streams vs Properties
Brief overview of what properties are and how they are different from event streams. We also cover how to create them and how to convert event streams into properties and vice versa.
Wrapping things in Bacon
Learn to create event streams from multiple sources: DOM events, promises, timers and many others.