そんなJavaScript初心者のために、変数とデータ型をていねいに解説します。 Webプログラミング言語「JavaScript」を学ぼうと決めたものの、どこから始めていいか分からないなら、この記事がちょっとしたヒントになるかもしれません。

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 ...

You are probably already familiar with JavaScript’s set of highly flexible variable types. We don’t need to review them here; they are very powerful and capable ...

JavaScript and TypeScript look very similar, but there's one important distinction. The key difference between JavaScript and TypeScript is that JavaScript lacks a type system. In JavaScript, ...