Checks if value is array. 📦 😺 🏃 📼 🌔 📜 📰 📘 This is part of package extra-array. array.is(v); // v: value const array = require("extra-array"); array.is([1, 2]); // true array.is([]); // true array.is(new Set([1, 2])); // false References Array.isArray: MDN web docs Array.isArray: sugarjs