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 ...

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The latest State of JavaScript survey provides an up-close look at the JavaScript language features, tools, libraries, and frameworks developers are using and how they're using them. Getting a ...

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

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 ...