JSFiddle - React, Tailwind, and code Playground

by pierian_design

JavaScript

//Перепишите цикл через map

/*var arr = ["Есть", "жизнь", "на", "Марсе"];

var arrLength = [];

for (var i = 0; i < arr.length; i++) {
  arrLength[i] = arr[i].length;
}

alert( arrLength ); // 4,5,2,5*/

var arr = ["Есть", "жизнь", "на", "Марсе"];

var arrLength = arr.map(function(elem) {
		return elem.length;
})

console.log(arrLength);