5 JavaScript App Examples

From simple tools to interactive experiences, this collection of JavaScript app examples highlights what’s possible with just code and creativity. Explore mini-projects like to-do lists, weather apps, calculators, games, and more — perfect for learning, inspiration, or launching your next idea.

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thumbnail: Log In and Sign Up Forms with Fingerprint

Log In and Sign Up Forms with Fingerprint

A fluid mobile prototype demonstrating state-driven navigation transitions and a 3D dashboard carousel powered by Swiper.js.

thumbnail: Simple YouTube API Search App

Simple YouTube API Search App

A simple search client for the YouTube API written in vanilla JS - data is fetched using fetch, and the results list is generated on the fly and injected into the DOM via innerHTML.