http://stackoverflow.com/questions/4214948

by Arun P Johny

HTML

<html>
    <body>
        <ul id="list">
            <li>Helo World-1</li>
            <li>Helo World-2</li>
            <li>Helo World-3</li>
        </ul>
    </body>
</html>

JavaScript

var el = document.getElementById("list");

for(var i = 0; i < 3; i++){
    var li = document.createElement("li");
    li.innerHTML = "item: " + i;
    el.appendChild(li);
}