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 ...

Although variables are as old as programming itself, they’re still a key concept in modern JavaScript ... even strong object-oriented ones like Java—have adopted aspects of functional ...

Despite the syntactic similarity to a similar feature in JavaScript, this is not dynamic typing—all variables in Java still have a static type. Local variable type inference merely allows us to ...