javascriptbeginner10 minutes

Find the Largest Number in an Array

Write a function to identify the largest number within an array of integers.

Challenge prompt

Create a function named findLargestNumber that accepts an array of integers and returns the largest number in the array. If the array is empty, return null.

Guidance

• Consider looping through the array to compare each number.
• Use a variable to keep track of the current largest number found.

Hints

• Initialize the largest number variable to the first element of the array.
• Remember to check if the array is empty before processing.

Starter code

function findLargestNumber(numbers) {
  // Your code here
}

Expected output

findLargestNumber([3, 5, 7, 2, 8]) // 8 findLargestNumber([]) // null

Core concepts

arraysloopsconditionalsfunctions

Challenge a Friend

Send this duel to someone else and see if they can solve it.