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 ...

From syntax and features every JavaScript developer needs to higher-level concepts you shouldn't miss, here are eight ways to make the most of JavaScript. JavaScript is an incredibly durable, ...

Overview: Strong fundamentals in data types, scope and closures boost interview performance.Understanding promises and event loop behavior improves handling of ...