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 ...

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 ...

Python or JavaScript? While we’re still arguing over which has the upper hand or the brighter future, little doubt exists as to which owns the web’s front end. Until WebAssembly advances to the point ...