Array()

new Array()
new Array(element0)
new Array(element0, element1)
new Array(element0, element1, /*  ,*/ elementN)
new Array(arrayLength)

Array()
Array(element0)
Array(element0, element1)
Array(element0, element1, /*  ,*/ elementN)
Array(arrayLength)

const fruits = ["Apple", "Banana"];

console.log(fruits.length); // 2
console.log(fruits[0]); // "Apple"

const arrayEmpty = new Array(2);

console.log(arrayEmpty.length); // 2
console.log(arrayEmpty[0]); // undefined
console.log(0 in arrayEmpty); // false
console.log(1 in arrayEmpty); // false

const arrayOfOne = new Array("2"); //  "2"  2

console.log(arrayOfOne.length); // 1
console.log(arrayOfOne[0]); // "2"

const fruits = new Array("Apple", "Banana");

console.log(fruits.length); // 2
console.log(fruits[0]); // "Apple"