Quick Answer
What is JavaScript?
JavaScript is the programming language of the web, running in every modern browser.
JavaScript is the programming language of the web, running in every modern browser.
Programming
JavaScript
By Glintr Editorial TeamReviewed by Glintr Learn ReviewersUpdated 5 min readArea: Programming
Definition
JavaScript is a dynamic programming language that runs in browsers and, via Node.js, on servers. It powers interactive UIs, single-page apps, backend services and build tooling.
Related Concepts
- HTMLHTML is the markup language used to define the structure and content of a web page.
- CSSCSS is the style language used to visually design and lay out web pages.
- Web DevelopmentWeb Development is the practice of building websites and web applications — front-end interfaces, back-end services and the systems that connect them.
- ProgrammingProgramming is the act of writing instructions in a language a computer can execute.