JSFiddle - React, Tailwind, and code Playground

JavaScript

var arr1 = [1,2,3,4,5];
var arr2 = arr1.slice().reverse(); //creates a copy and reverses it

var html = '';
for(var i = 0; i < arr1.length; i++){
    html += '<div>' + arr2[i] + '.' + ' lol' + arr1[i] + '</div>';
}

$('body').append(html);