Change the number intervals for milliseconds in a time field:
document.getElementById("myTime").step = ".050";
Click the button to change the value of the step attribute of the time field for milliseconds interval.
<!DOCTYPE html> <html> <body> Time: <input type="time" id="myTime" step=".1"> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {// w ww . j av a 2s . c om document.getElementById("myTime").step = ".050"; document.getElementById("demo").innerHTML = "The value of the step attribute was changed."; } </script> </body> </html>