[solution] screening task

lib/task.js

@@ -0,0 +1,9 @@
+function getReversedNumber(num) {
+  const isNegative = num < 0;
+  const reverseNumber = parseInt([...("" + Math.abs(num))].reverse().join(""));
+
+  return isNegative ? reverseNumber * -1 : reverseNumber;
+}
+
+console.log(getReversedNumber(12));
+console.log(getReversedNumber(-123));