Unlike many other languages, JavaScript does not distinguish between integers and floating-point numbers. 42 and 3.14 are both Number types. BigInt, as its name suggests, only covers integers, and ...

Fortunately, JavaScript’s variable system is incredibly powerful and versatile. This article shows you how to use JavaScript variables to store numbers, text strings, objects, and other data types.

Could JavaScript evolve to support a native type system—without needing TypeScript? A new proposal from the TypeScript team, submitted to ECMAScript’s TC39 committee, suggests exactly that. It ...

JavaScript syntax in many ways is actually more like Java’s than some of these languages, but its prototype-based approach to object-orientation is very different.