GUVI WarmUp - 13.js

/* Write a function called "isEven". "isEven" Should return whether it is even or not. Return -1 for invalid input. */

function isEven(num) {
	///Your code Starts here 
	if (num % 2 == 0) {
		return true;
	}
	if (num % 2 == 1) {
		return false;
	} else {
		return -1;
	}
	
	
	///Your code Ends here
}
/*
Lines For TestCase

isEven(12);
isEven(0);
isEven(11);
isEven("11h");
*/