<!DOCTYPE HTML>
<html>
<head>
<title>Title of the document</title>
<style>
#rectId {
width: 350px;
height: 70px;
padding: 10px;
border: 1px solid #aaaaaa;
}
</style>
<script>
function allowDrop(event) {
event.preventDefault();
}
function drag(event) {
event.dataTransfer.setData("Text", event.target.id);
}
function drop(event) {
var data = event.dataTransfer.getData("Text");
event.target.appendChild(document.getElementById(data));
event.preventDefault();
}
</script>
</head>
<body>
<div id="rectId" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br>
<p id="dragId" draggable="true" ondragstart="drag(event)">
This is a draggable paragraph. Drag this item to the rectangle.
</p>
</body>
</html>