const array1 = [1, 2, 3];
console.log(array1.unshift(4, 5));
// expected output: 5
console.log(array1);
// expected output: Array [4, 5, 1, 2, 3]
const array1 = [1, 2, 3];console.log(array1.unshift(4, 5));// expected output: 5console.log(array1);// expected output: Array [4, 5, 1, 2, 3]