Overview: Strong fundamentals in data types, scope and closures boost interview performance.Understanding promises and event ...

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 ...

is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft Excel used to only allow two types of data: text and numbers. After ...

TypeScript is a variant of JavaScript that provides strong type information, a powerful development tool that minimizes bugs and makes JavaScript programs easier to build in enterprise settings.