W3School TIY Editor
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<html> <head> <script type="text/javascript"> function showTimestamp(event) { var minutes = 1000*60 x=event.timeStamp; alert(x/minutes) } </script> </head> <body onmousedown="showTimestamp(event)"> <p>Click in the document. An alert box will alert the timestamp.</p> </body> </html>