Javascript DOM HTML Input Month max Property get

Introduction

Get the maximum month and year allowed for a month field: 

var x = document.getElementById("myMonth").max;

Click the button to display the value of the max attribute of the month field.

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

View in separate window 

<!DOCTYPE html>
<html>
<body>
Enter a month between 2020-04 and 2020-09 (April to September):
<input type="month" id="myMonth" min="2020-04" max="2020-09">
<button onclick="myFunction()">Test</button>
<p id="demo"></p>

<script>
function myFunction() {//from   w w  w.  j a  v a 2 s.co  m
  var x = document.getElementById("myMonth").max;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The max property sets or gets the value of the max attribute of a month field.

The max attribute sets the maximum value in month and year for a month field.

The <input type="month"> element is not supported in Firefox.

Value
 Description
YYYY-MM


 Specifies the maximum month and year allowed.
YYYY - year (e.g. 2020)
MM - month (e.g. 01 for January)

The max property returns a String representing the maximum month and year allowed.




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