javascript find the longest string in array

1const findLongest = words => Math.max(...(words.map(el => el.length)));
2
3// Example
4findLongest(['always','look','on','the','bright','side','of','life']);  // 6

1 function data(str){
2           var show = str.split(" ");
3            show.sort(function (a,b){
4                return b.length - a.length; 
5            })
6            return show[0];
7      }
8      console.log(data(str = "javascript is my favourite language "));

1Math.max(...(x.map(el => el.length)));
2