function getDecimalPart(num : number) : number {
if (Number.isInteger(num)) {
return 0;
}
const decimal = num.toString().split('.')[1];
return Number(decimal);
}
console.log(getDecimalPart(3.14));
console.log(getDecimalPart(32.0));
console.log(getDecimalPart(-7.83476));
console.log(getDecimalPart(-0.5));
console.log(getDecimalPart(18));
/*
run:
14
0
83476
5
0
*/