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

jQuery is an open-sourced JavaScript library that simplifies creation and navigation of web applications. Specifically, jQuery simplifies HTML Document Object Model (DOM) manipulation, Asynchronous ...

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 ...