function findFirstIndexOfNumber(number, array) {
for (let i = 0; i < array.length; i++) {
if (array[i] === number) {
return i;
}
}
return -1
}
function findFirstIndexOfNumber(number, array) {
for (let i = 0; i < array.length; i++) {
if (array[i] === number) {
return i;
}
}
return -1
}