JavaScript
JS
In one sentenceThe programming language of the web. It makes pages interactive, and with Node.js it also runs servers.
What it means
JavaScript runs in every Browser: menus that open, forms that check your input, calculators, live updates. It is also the language of Chrome extensions and, through Node.js, of many back-end servers. TypeScript is JavaScript with added type checking.
Despite the name, it has nothing to do with Java.
How to use it
- Small interactive tools (calculators, quizzes, ROI estimators) are usually a bit of JavaScript inside an HTML page.
- If a page misbehaves, the browser's developer console (F12) shows JavaScript errors you can paste to AI.
How AI helps
AI writes JavaScript fluently. Ask for a tool, test it, and paste any error message back into the chat to fix it.
Related terms
HTML CSS Node.js Chrome Extension
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