How to implement binary search in JavaScript

Question

https://www.khanacademy.org/computing/computer-science/algorithms/binary-search/p/challenge-binary-search

I was following the pseudo code to implement algorithm on t

Answer 1

you only have to uncomment the Program.assertEqual like this :

Program.assertEqual(doSearch(primes, 73), 20);

not like this :

//Program.assertEqual(doSearch(primes, 73), 20);