<!DOCTYPE html>
<html>
<body>
<h3>A demonstration of how to access a SUMMARY element</h3>
<details>
<summary id="mySummary">Copyright 1999-2014.</summary>
<p> - by Refsnes Data. All Rights Reserved.</p>
</details>
<p>Click the "Try it" button to get the HTML content of the summary element.</p>
<button onclick="myFunction()">Try it</button>
<p><b>Note:</b> The summary element is currently only supported in Chrome, Safari 6+ and Opera 15+.</p>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("mySummary").innerHTML;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>