TypeScript provides synergy to the team — “Getting organized is a sign of self-respect.” — Gabby Bernstein The whole idea of programming in JavaScript is to understand the system. One of the key hallmarks of a good programmer is to always know with which types is he working. …

Catch all those cases and start writing a top-notch code! — “Any sufficiently advanced technology is indistinguishable from magic.” — Arthur C. Clarke (3rd Clarke’s law) Before we start to get familiar with JavaScript corner cases, I’d like to make a distinction between Corner Case and Edge Case. We can say that Edge Case is an issue that can occur only…

Double equals comparison is not a magical thing - its’ an algorithm — The best way to learn how to write code is to write code. — Kyle Simpson At the beginning of my career as a JavaScript Developer, I thought it’s not a bad thing to avoid learning how does that technology work under the hood. …

Loose equality checks your types too — JavaScript will be a real functional language. — Douglas Crockford I was thinking about how to start this story, so in the end, it transpired to me that Douglas was expressly telling the story of JS. His prediction seemed to come true. JavaScript becomes a powerful functional language! Since the…

Test your code in no time! — Quality means doing it right when no one is looking. — Henry Ford You may be wondering how this story can help you out… The goal of this story is to help you to adopt the right mental model. You have to understand why are we testing our applications, and…

For beginners and professional coders — Learn to handle corner cases of coercion JavaScript is the duct tape of the Internet. — Charlie Campbell 1. Deep understanding of language corner cases Do people hate JavaScript because of the corner cases? It’s always interesting to watch how people are sanitizing the whole language because of the few cons. All programming languages have type conversions, so all programming languages have corner cases…