HTML JS
(quick guide & examples)
<div id="first"> <p>One</p> <p>Two</p> <p>Three</p> </div> <div id="second"></div>
var source = document.getElementById("first"); var target = document.getElementById("second"); target.appendChild(source);
SOURCE & TARGET var source = document.getElementById("first"); var target = document.getElementById("second");
DUPLICATE CONTENT target.innerHTML += source.innerHTML;
EMPTY SOURCE source.innerHTML = "";