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 ...

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 ...

For many reasons, including those I’ve already covered, JavaScript is a very popular programming language. In fact, according ...

For all JavaScript’s prominence as the lingua franca of Web development, there are an awful lot of developers who don’t like it a whole lot, and as a result, a great many efforts to produce something ...

CVE-2025-12735 in expr-eval allows remote code execution via unsafe input evaluation Vulnerable versions ≤2.0.2; patched in 2.0.3 and forked in expr-eval-fork 3.0.0 Developers should sanitize ...