Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

Control flow is the secret sauce that lets your code make decisions, repeat tasks, and skip steps when needed. Whether you’re writing JavaScript, building Excel formulas, or scripting in Bash, ...

JavaScript is the number one most essential high-income technical skill you can have in your toolkit as a developer You wouldn't be a developer without knowing ...

If you’re a developer, you’ve probably heard a little bit about ECMAScript 6 (ES6) already, though at first glance it might seem a little confusing. What it really boils down to is this: it’s the next ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...