check in array even no.is present or not

arr = [1,3,2,5,6,7];
let flag = false;
{ 1, 3, 2, 5, 6, 7 };
for (let elem of arr) {
if (elem % 2 == 0) {
flag = true;
break; // get out of the loop
}
}
if (flag)
console.log("YES")
else
console.log("NO")