JavaScript
JavaScript IntroductionJavaScript Introduction
JavaScript makes static HTML pages interactive.
Read Time
5 min readDifficulty
BeginnerLast Updated
Jun 15, 2026Version
v1.0.0Introduction
JavaScript acts as the programming language of the web. It is the third layer of web design, following HTML and CSS. Developers use JavaScript to update content dynamically, control multimedia, and animate images.
Key Points
- JavaScript alters HTML content instantly.
- JavaScript changes CSS styles without reloading.
- JavaScript hides and shows elements.
- JavaScript reacts to user clicks and inputs.