push (JavaScript Array Method)

const tnwNames = ["Soe Soe", "Moe Moe"];

function tnwFun1(){
    document.getElementById("demo").innerHTML = tnwNames.join("
");
}

function tnwFun2(){
    let tnwAdd = document.getElementById("adding").value;
    let result = tnwNames.push(tnwAdd);
    document.getElementById("demo").innerHTML = result;
}