This site is mobile accessible. Press the "Tap Here" button to use a smaller font-size.

Smartphone icons created by Freepik - Flaticon

JS Arrays

This "home made" isArray() function returns true when used on an array:

const fruits = ["Banana", "Orange", "Apple"];
document.getElementById("demo").innerHTML = isArray(fruits);

function isArray(myArray) {
  return myArray.constructor.toString().indexOf("Array") > -1;
}