In this Article we will go through how to find the length of the longest string in an array only using single line of code in JavaScript.
This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.
Let's define this short function:
const findLongest = words => Math.max(...(words.map(el => el.length)));
findLongest(['always','look','on','the','bright','side','of','life']); // 6