Edit in JSFiddle

Result
JavaScript
HTML

$(document).ready(function () {
                $("#myButton").click(function () {
                    $("#cloneDiv").clone().appendTo($('#targetDiv'));
                });
            });

<html>
        <head>
        <title>clone</title>
        </head>
        <body>
        <div id="cloneDiv">
        This is div element.
        <p>This is p element inside div element.</p>
        <p>clone() performs deep copy, that is not only copies the matched elements but also their 
        descendants and text nodes.</p>
        </div>
        <div id="targetDiv">
        </div>
        <input type="button" id="myButton" value="Clone"/>
        <input type="button" id="reset" value="Reset" onclick="location.reload()" />
        </body>
        </html>