ContextQMD
Back to Freecodecamp

Find the Longest Word in a String

curriculum/challenges/english/blocks/basic-algorithm-scripting/a26cbbe9ad8655a977e1ceb5.md

latest1.7 KB
Original Source

--description--

Return the length of the longest word in the provided sentence.

Your response should be a number.

--hints--

findLongestWordLength("The quick brown fox jumped over the lazy dog") should return a number.

js
assert.isNumber(
  findLongestWordLength('The quick brown fox jumped over the lazy dog')
);

findLongestWordLength("The quick brown fox jumped over the lazy dog") should return 6.

js
assert.strictEqual(
  findLongestWordLength('The quick brown fox jumped over the lazy dog'),
  6
);

findLongestWordLength("May the force be with you") should return 5.

js
assert.strictEqual(findLongestWordLength('May the force be with you'), 5);

findLongestWordLength("Google do a barrel roll") should return 6.

js
assert.strictEqual(findLongestWordLength('Google do a barrel roll'), 6);

findLongestWordLength("What is the average airspeed velocity of an unladen swallow") should return 8.

js
assert.strictEqual(
  findLongestWordLength(
    'What is the average airspeed velocity of an unladen swallow'
  ),
  8
);

findLongestWordLength("What if we try a super-long word such as otorhinolaryngology") should return 19.

js
assert.strictEqual(
  findLongestWordLength(
    'What if we try a super-long word such as otorhinolaryngology'
  ),
  19
);

--seed--

--seed-contents--

js
function findLongestWordLength(str) {
  return str.length;
}

findLongestWordLength('The quick brown fox jumped over the lazy dog');

--solutions--

js
function findLongestWordLength(str) {
  return str.split(' ').sort((a, b) => b.length - a.length)[0].length;
}

findLongestWordLength('The quick brown fox jumped over the lazy dog');