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Lightweight
Zero dependencies, tree-shakable, and small bundle size. Only import what you need.
js-coolModern JavaScript Utility Library
A collection of useful JavaScript functions for everyday development
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TypeScript
Written in TypeScript with full type definitions. Get excellent IDE support out of the box.
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Universal
Works in browser, Node.js, and any JavaScript environment. ESM & CommonJS support.
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Rich Features
100+ utility functions for string, array, object, URL, DOM, storage, and more.
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Well Tested
Comprehensive unit tests with high coverage. Reliable and production-ready.
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Well Documented
Detailed documentation with examples. JSDoc comments for every function.