Turn div into string

Question

How to turn a div into a string? Follow the example of how I wish it to look:

<div class="teste">oi</div>

in:

"<div class="teste">oi</div>"

Answer 1

Just use Element.outerHTML. Example:

var toString = document.getElementById('foo').outerHTML;
alert(toString);

<div id='foo' class='bar' data-baz='2015'>StackOverflow</div>