The code combines a combination of numbers from 1 to 25, 5 digits per combination. How to circle each number in div block?
function generate() { const numbers = (new Array(25)).fill(1).map((a, i) => a + i); let resultSet = new Map(); while (resultSet.size < 1000) { let nums = shuffle(numbers).slice(0, 5); let key = (nums.sort() + ''); resultSet.set(key, nums); } resultSet.forEach(val => document.write(val.join('-') + '<br>', )); } function shuffle(arr) { return arr.map(el => { return { item: el, sort: Math.random() } }).sort((a, b) => a.sort - b.sort).map(el => el.item); } <input type="button" value="Нажать" onclick="generate()"/>