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What is JavaScript and where is it used?

Entry JavaScript
Quick Answer JavaScript is a dynamic, interpreted programming language originally designed for the browser. Today it runs everywhere รขโ‚ฌโ€ browsers (DOM manipulation, SPAs), servers (Node.js), mobile (React Native), and desktop (Electron). It's the only language that runs natively in every browser, making it the universal language of the web.

Answer

JavaScript is a high-level, interpreted programming language used to create interactive web pages.

  • Runs on browsers for client-side scripting.
  • Used on servers via Node.js.
  • Powers mobile, desktop, and game applications.
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SugharaIQ Editorial Team Verified Answer

This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.

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