Javascript DOM HTML Input Month required Property set

Introduction

Set a month field to be a required part of form submission: 

document.getElementById("myMonth").required = true;

Click the "Test" button to set the required property for the month field.

input elements with type=month is not supported in Firefox.</p>

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<!DOCTYPE html>
<html>
<body>

<form action="/action_page.php">
  Month: <input type="month" id="myMonth" name="bdaymonth">
  <input type="submit">
</form>/*  ww w.  j  a  v a2s. c om*/

<button onclick="myFunction()">Test</button>
<p id="demo"></p>

<script>
function myFunction() {
  document.getElementById("myMonth").required = true;
  document.getElementById("demo").innerHTML = "The required property was set. ";
}
</script>

</body>
</html>



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