x
<html><body><p>This is a text.<ins id="myIns" datetime="2012-09-15T22:55:03Z">This is an inserted text.</ins></p><p>Click the button to change the value of the datetime attribute of the inserted text.</p><p id="demo"></p><button onclick="myFunction()">Try it</button><script>function myFunction() { document.getElementById("myIns").dateTime = "2013-11-15T21:40:07Z"; document.getElementById("demo").innerHTML = "The value of the datetime attribute was changed to '2013-11-15T21:40:07Z'.";}</script></body></html>