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<!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>