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library</span></h1><!----><!--]--><!--[--><!--]--><div class="actions" data-v-4f9c455b><!--[--><div class="action" data-v-4f9c455b><a class="VPButton medium brand" href="/intro.html" data-v-4f9c455b data-v-fa7799d5>About es-toolkit</a></div><div class="action" data-v-4f9c455b><a class="VPButton medium alt" href="/reference/array/at.html" data-v-4f9c455b data-v-fa7799d5>Reference</a></div><div class="action" data-v-4f9c455b><a class="VPButton medium alt" href="/usage.html" data-v-4f9c455b data-v-fa7799d5>Usage</a></div><!--]--></div><!--[--><!--]--></div><div class="image" data-v-4f9c455b><div class="image-container" data-v-4f9c455b><div class="image-bg" data-v-4f9c455b></div><!--[--><!--[--><img class="VPImage image-src" loading="eager" fetchpriority="high" decoding="async" src="/hero.webp" alt data-v-8426fc1a><!--]--><!--]--></div></div></div></div><!--[--><!--]--><!--[--><!--]--><div class="VPFeatures VPHomeFeatures" data-v-8b561e3d data-v-a6181336><div class="container" data-v-a6181336><div class="items" data-v-a6181336><!--[--><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Best performance</h2><p class="details" data-v-a3976bdc>es-toolkit delivers 2-3× better performance in modern JavaScript runtimes compared to other libraries.</p><!----></article><!--]--></div></div><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Small bundle footprint</h2><p class="details" data-v-a3976bdc>es-toolkit ships up to 97% less JavaScript code compared to other alternative libraries.</p><!----></article><!--]--></div></div><div class="grid-4 item" data-v-a6181336><a class="VPLink link no-icon VPFeature" href="/compat/intro.html" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Seamless Lodash replacement</h2><p class="details" data-v-a3976bdc>es-toolkit offers a complete compatibility layer to seamlessly replace Lodash.</p><!----></article><!--]--></a></div><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Modern implementation</h2><p class="details" data-v-a3976bdc>es-toolkit fully leverages modern JavaScript APIs for straightforward and error-free implementation.</p><!----></article><!--]--></div></div><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Robust types</h2><p class="details" data-v-a3976bdc>es-toolkit offers simple yet robust types for all functions.</p><!----></article><!--]--></div></div><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Widely adopted</h2><p class="details" data-v-a3976bdc>es-toolkit is trusted and used by popular open-source projects like Storybook, Recharts, ink, MUI, and CKEditor.</p><!----></article><!--]--></div></div><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Battle-tested</h2><p class="details" data-v-a3976bdc>

52es-toolkit has 100% test coverage, ensuring maximum robustness.</p><!----></article><!--]--></div></div><div class="grid-4 item" data-v-a6181336><div class="VPLink no-icon VPFeature" data-v-a6181336 data-v-a3976bdc><!--[--><article class="box" data-v-a3976bdc><!----><h2 class="title" data-v-a3976bdc>Comprehensive runtime support</h2><p class="details" data-v-a3976bdc>es-toolkit supports all JavaScript environments, including Node.js, Deno, Bun, and browsers.</p><!----></article><!--]--></div></div><!--]--></div></div></div><!--[--><!--]--><div class="vp-doc container" style="" data-v-8b561e3d data-v-8e2d4988><!--[--><div style="position:relative;" data-v-8b561e3d><div><div style="display:none;" hidden="true" aria-hidden="true">Are you an LLM? View /llms.txt for optimized Markdown documentation, or /llms-full.txt for full documentation bundle</div></div></div><!--]--></div></div></div><footer class="VPFooter" data-v-5d98c3a5 data-v-e315a0ad><div class="container" data-v-e315a0ad><p class="message" data-v-e315a0ad>Released under the MIT License.</p><p class="copyright" data-v-e315a0ad>Copyright © 2026 Viva Republica, Inc.</p></div></footer><!--[--><!----><!--]--></div></div>
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