// Function to find the longest word in a sentence
function findLongestWord(sentence) {
const words = sentence.split(' ');
return words.reduce((longest, current) => (current.length > longest.length ? current : longest), '');
}
// Example usage
const sentence = 'The quick brown fox jumps over the lazy dog';
const longestWord = findLongestWord(sentence);
console.log(longestWord);