04.Amazing Numbers

function amazingNumbers(n) {
    let num = n.toString().split('');
    let sum = 0;

    for (let i = 0; i < num.length; i++) {
        sum += Number(num[i]);
    }

    if (sum.toString().includes('9')) {
        console.log(`${n} Amazing? True`);
    } else {
        console.log(`${n} Amazing? False`);
    }
}

SOLUTION WITH SPREAD AND TERNARY OPERATORS:

function amazingNumbers(n) {
    console.log(`${n} Amazing? ${[...n.toString()].map(Number).reduce((a, b) => a + b).toString().includes('9') ?'True' : 'False'}`);
}