A Practical Example With JavaScript and Jest — A few years ago, while I was building a Chrome extension, I ran into the need to mock the system’s clipboard in order to unit test a function. In this article let’s have a look at how I went about doing it at that time. The Situation The extension discussed in this…

With an Additional Exploration of an Alternative — In TypeScipt enums or enumerated types are special datatypes, that can have a collection of constants. Although the concept of enums is not something unique to Typescript, the fact that it ultimately gets compiled into JavaScript makes enums a case of interest in Typescript. In this short and hands-on article…

That Helps You to Find the Right Tool for the Job — Oftentimes, when working within the terminal in a Unix-based system, we run into the situation of looking up a specific tool to do a particular job. …

With Adequate ARIA Attributes & Focus Traps — One of the tricky components to build for the web, while considering accessibility and standards compliance is the modal dialog. In this hands-on article, let’s look at some of the accessibility features to keep in mind while building a modal dialog for our web products. Accessibility Considerations: When it comes to a…

Bash scripts, because of their nature and intended usage, are quite tricky to debug and test. In this short article let’s look at 3 common methods that developers use to debug bash shell scripts. The following are the 3 commonly used methods: echo command Enabling debugging mode trap command The Good old Echo The…

And What It Means to The Web Front-end — Reactive programming is a term you might have come across often but may have needed help understanding what it means. If that is the case, this article will clarify things for you. In this short article, we will discuss the theoretical concept of what it means for something to be…

A guide to configuring Apollo Server in Node.JS for Connecting With a RESTful Data Source — In this short article, let’s look at how we could create a simple graphQL query that fetches data from a RESTful endpoint. We’ll use Node.js and Apollo Server for this purpose. In this article, we’ll look at a simple Users resource as an example. The aim of this write-up is…

The 37% rule, infamously known as the “Dating rule” is a purely probabilistic and statistical theory, that has its root in a much broader mathematical theory called optimal stopping theory. The practical applications and implications of this theory are limitless. It could be applied to various everyday scenarios. In the…

Make the text content, modified by JavaScript, readable by screen-readers — One of the primary areas where many web applications fail to take accessibility into consideration is those regions in the application, whose content is generated dynamically by javaScript and changes over time. Users who interact with our products with the help of assistive technology such as a screen-reader will not…