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<body>
Time: <input type="time" id="myTime" step=".1">
<p>Click the button to change the value of the step attribute of the time field (milliseconds interval).</p>
<p><b>Tip:</b> Try the up and down arrows in the time field for milliseconds before and after you click the button.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myTime").step = ".050";
document.getElementById("demo").innerHTML = "The value of the step attribute was changed from '.1' to '.050'.";
}
</script>
</body>
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