JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

Primitive data types in JavaScript include: Numbers - Integers, floats Strings - Any data under single quote, double quote or backtick quote Booleans - true or false value Null - empty value or no ...

30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pac ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.