It's absolutely critical that you understand how to scope your variables correctly. Making mistakes in this basic process can cause your application to fail or otherwise behave unexpectedly. If you're ...

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 ...

So, we're using Java here at work, but a number of people still use C-style variable declarations (declare them all at the top of each function) like so:<BR><BR><pre ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...