Javascript DOM HTML Input Time compare defaultValue and value property

Introduction

An example that shows the difference between the defaultValue and value property:

The default value is not affected when you change the value of the time field.

Change the time of the time field, and then click the button.

View in separate window 

<!DOCTYPE html>
<html>
<body>
Time: <input type="time" id="myTime" value="21:43:54">

<button type="button" onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {/*  w w w.j  av  a  2  s  .  c  om*/
  var x = document.getElementById("myTime");
  var defaultVal = x.defaultValue;
  var currentVal = x.value;

  if (defaultVal == currentVal) {
    document.getElementById("demo").innerHTML = "Default value and current value is the same: "
    + x.defaultValue + " and " + x.value
    + "<br>Change the value of the time field to see the difference!";
  } else {
    document.getElementById("demo").innerHTML = "The default value was: " + defaultVal
    + "<br>The current value is: " + currentVal;
  }
}
</script>

</body>
</html>



PreviousNext

Related