Best performance
es-toolkit delivers 2-3× better performance in modern JavaScript runtimes compared to other libraries.
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Small bundle footprint
es-toolkit ships up to 97% less JavaScript code compared to other alternative libraries.
Modern implementation
es-toolkit fully leverages modern JavaScript APIs for straightforward and error-free implementation.
Robust types
es-toolkit offers simple yet robust types for all functions.
Widely adopted
es-toolkit is trusted and used by popular open-source projects like Storybook, Recharts, ink, MUI, and CKEditor.
Battle-tested
es-toolkit has 100% test coverage, ensuring maximum robustness.
Comprehensive runtime support
es-toolkit supports all JavaScript environments, including Node.js, Deno, Bun, and browsers.
Are you an LLM? View /llms.txt for optimized Markdown documentation, or /llms-full.txt for full documentation bundle