const intNumbers = [-1, 2, -3, 4, -5, 6, -7, 0, -8];
const signCount = function(array) {
let result = 0;
for (let index = 0; index < array.length; ++index) {
if (Math.sing(array[index]) !== 1 && array[index] !== 0) {
++result;
}
}
return result;
};
console.log(singCount(intNumbers));