Earn these JavaScript certs to demonstrate mastery of the most in-demand skills for the world’s most-used programming language.

JavaScript DOM manipulation is the backbone of creating dynamic, interactive web pages. From selecting elements to handling events and fetching data, mastering these skills transforms static HTML into ...

The concept of a virtual Document Object Model (DOM) was first introduced by the JavaScript framework React in 2013 and is still used today, both by React and other frameworks like Vue.js. The idea is ...

WebStorm, Visual Studio 2017, Visual Studio Code, NetBeans, Komodo, and Eclipse pull out the stops for JavaScript, Node.js, and friends. JavaScript is used for many different kinds of applications ...

Finishing AP Computer Science Principles is a major milestone, but the leap from block-based coding to real-world JavaScript can feel daunting. Fortunately, the landscape has evolved: Code.org has ...