In JavaScript, an array is not considered a distinct data type on its own. Instead, it is a built-in object type with specialized behavior for storing and organizing multiple values. Arrays are considered a subtype of the object data type. In JavaScript, the primitive data types are `undefined`, `null`, boolean, number, bigint, string, and symbol. These primitive types represent individual values. On the other hand, objects, including arrays, are non-primitive data types and can store multiple values or properties. Arrays in JavaScript are ordered, indexed collections of values. They can hold values of any data type, including other arrays, objects, and functions. Arrays have built-in methods and properties that allow you to manipulate and access their elements easily. To check if a variable is an array in JavaScript, you can use the `Array.isArray()` method. It returns `true` if the variable is an array and `false` otherwise:

const myArray = [1, 2, 3];
console.log(Array.isArray(myArray)); // Output: true

const myVariable = 'Hello';
console.log(Array.isArray(myVariable)); // Output: false

So while arrays are not a distinct data type in JavaScript, they are an important and commonly used object type for storing and working with collections of values.