concat (JavaScript Array Methods)

const girls = ["Aye Aye", "Nwe Nwe", "Htwe Htwe"];
const boys = ["Aung Aung", "Maung Maung", "Kyaw Kyaw"];
const students = ["Hla Hla", "Mya Mya", "Aung Ba", "Aung Mya"];

const people = girls.concat(boys, students);
document.write(people.join("
"));