Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html manifest="demo_html.appcache"> <body> <script src="demo_time.js"> </script> <p id="timePara"><button onclick="getDateTime()">Get Date and Time</button></p> <p><img src="img_logo.gif" width="336" height="69"></p> <p>Try opening <a href="tryhtml5_html_manifest.htm" target="_blank">this page</a>, then go offline, and reload the page. The script and the image should still work.</p> </body> </html>
Result:
W3Schools.com - Try it yourself