lru.min is a tiny, high‑performance Least‑Recently‑Used (LRU) cache written in JavaScript that works in Node.js (v8+), Bun, Deno and browsers. It provides O(1) set, get, peek, delete and has operations, optional eviction callbacks, and utilities for resizing, clearing and iterating the cache, targeting developers who need a fast, lightweight cache with universal runtime compatibility.