Find the largest of three numbers

The challenge

Write biggest(a, b, c) that returns the largest of three numbers. Use if statements or comparisons, not Math.max.

Try it

Write your answer below, then press Check my answer. Your code runs right here in your browser, and the tests tell you what works.

What the tests check

• biggest(1, 2, 3) gives 3
• biggest(9, 2, 3) gives 9
• biggest(4, 8, 6) gives 8
• biggest(-1, -5, -3) gives -1
• biggest(5, 5, 2) gives 5

Hints

Stuck? Open one hint at a time. Try again after each one.

A solution

There’s always more than one right way. Read it, make sure you understand it, then try writing it yourself without looking.

function biggest(a, b, c) {
  let best = a;
  if (b > best) best = b;
  if (c > best) best = c;
  return best;
}

Learn what you need

This exercise uses what Grade 4: Making Decisions: if, else & Friends teaches. Read those notes first if any of it is new.