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 ...

which means that functions in JavaScript can be passed around like any other variable. While this sounds pretty straightforward, it doesn’t quite telegraph the kind of power you have with first ...

The series starts off with a look at JavaScript fundamentals, including variables, if-then statements ... Thau put together the Advanced JavaScript Tutorial for senior scripters.