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 ...

JavaScript variable names can be almost unlimited in length, although for practical reasons you’ll probably want to keep your variable names under 10 or 15 characters. Shorter variable names are ...

I'm writing a Javascript to validate a form. The form is created dynamically and has a grid of dropdown menus, in a square.(3x3 or 5x5, for now) I want to create a loop that will go through each ...