Update isOdd.js

Maths/isOdd.js

@@ -1,20 +1,13 @@
-// Returns true if a number is odd, returns false if a number is even, and returns null if the number is a decimal.
-function isOdd (num) {
-  if (num < 0) {
-    num *= -1
-  }
+/*
+ * function to check if number is odd
+ * return true if number is odd
+ * else false
+ */
 
-  if (Math.floor(num) !== num) {
-    console.error('Decimal Value')
-    return null
-  }
-
-  if (num % 2 === 1) {
-    return true
-  }
-
-  return false
+const isOdd = (value) => {
+  return !!((value & 1))
 }
 
+// testing
 console.log(isOdd(2))
 console.log(isOdd(3))