Interview Question 1

Q. Find Factorial of a number?//0 =1 , 1 =1 , 2 =2 , 3 =6

function fact(n){
 return n === 0 ? 1 : n *fact(n-1) ;
}

Q. Find nth Fibonacci number? //0,1,1,2,3,5,8,13,21

function fib(n){
 return n < 1 ? 0 : n<=2 ? 1 : fib(n-1)+ fib(n-2);
}