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 ...

The JavaScript executes within the larger context of the surrounding code— that’s why you can reference the variables. Now we start to see some of the power that has made JSX so successful.

Unlike strongly typed programming languages such as C#, JavaScript is loosely typed and allows you to assign any data type to a variable without giving the variable a specific type. In JavaScript ...