All JavaScript programming happens in an environment like a web browser, Node, or Bun.js. Each of these environments has its own set of pre-defined variables like window and console.

Scope in JavaScript refers to context (or portion) of the code which determines the accessibility (visibility) of variables. In JavaScript, we have two types of scope, local , and global.

If you're an aspiring web developer or completely new to coding, JavaScript is a great start. We've put together some of the best free and paid online courses to help you learn this popular coding ...

JavaScript vulnerabilities are on the rise in India with the entry of HTML5 and faster JavaScript engines. Here are some key problem areas along with antidotes.

Chrome also supports using these new custom variables in JavaScript without any issues. CSS variables are very new though have been in the works for years — but they’re not widely supported yet.