JavaScript

Array Methods 3

// Checking if all elements are even numbers
const numbers = [2, 4, 6, 8, 10];

const allEven = numbers.every(num => num % 2 === 0);
console.log(allEven);

// Checking if all elements are of the same type
const mixedData = [1, "hello", true, { name: "John" }];

const allSameType = mixedData.every((value, index, array) => typeof value === typeof array[0]);
console.log(allSameType);