let array = [];

console.log(array); // -> []

let items = [19, true, 'Billy', 55, "Yooo", false];

// Accessing items

console.log(items);

// Display all items in the array

for (let i = 0; i < items.length; i++) {

console.log(items[i]);

}

console.log();

// Access the index of an item

console.log(items[0]);

console.log(items[1]);

console.log(items[2]);

console.log(items[3]);

console.log(items[4]);

console.log(items[5]);

console.log("Array length: ", items.length);

// Update array items

items[4] = "Hello";

console.log(items[4]);

// Adding new array items

items.push("New Item");

items[7] = 88;

console.log(items[6]);

console.log(items[7]);

console.log();

let number = [1, 2, 3];

console.log(number.length + number[2]);

let arr = [1, 2, 3];

arr[3] = 4;

console.log(arr.length + arr[4]); // NaN