HTML | DOM Input Month defaultValue Property

Last Updated : 29 Aug, 2022

The DOM Input Month defaultValue property in HTML DOM is used to set or return the default value of a Month field. It is the value specified in the value attribute.

Syntax:

It returns the defaultValue property.

monthObject.defaultValue

It is used to set the defaultValue property.

monthObject.defaultValue = value

Property Values:

value: It specifies the default value of the Month field.

Return Value: It returns the default Value of the Month field in the form of a string.

Example-1: This example returns the defaultValue of Input Month property.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>
        HTML DOM Input Month defaultValue Property
    </title>
</head>
<body style="text-align:center;">
    <h1>GeeksForGeeks</h1>
    <h2>
          DOM Input Month defaultValue Property
      </h2>
    <form id="myGeeks">
        <input type="month" 
               id="month_id"
               name="geeks"
               value="2019-10">
    </form>
    <br>
    <button onclick="myGeeks()">
          Click Here!
      </button>
    <p id="GFG" 
           style="font-size:20px;">
      </p>

    <!-- Script to return
     the  defaultValue-->
    <script>
        function myGeeks() {
          
            var gfg = 
                document.getElementById(
                  "month_id").defaultValue;
          
            document.getElementById(
              "GFG").innerHTML = gfg;
        }
    </script>
</body>
</html>

Output:

Before clicking on the button:

After clicking on the button:

Example-2: This Example illustrates how to set or change the defaultValue.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>
        HTML DOM Input Month defaultValue Property
    </title>
</head>
<body style="text-align:center;">
    <h1>GeeksForGeeks</h1>
    <h2>
          DOM Input Month defaultValue Property
      </h2>
    <form id="myGeeks">
        <input type="month"
               id="month_id"
               name="geeks" 
               value="2019-10">
    </form>
    <br>
    <button onclick="myGeeks()">
          Click Here!
      </button>
    <p id="GFG" 
       style="font-size:20px;">
      </p>

    <!-- Script to set the 
    defaultValue of Month field-->
    <script>
        function myGeeks() {
          
            var gfg =
                document.getElementById(
                  "month_id");
            gfg.defaultValue = "2019-01";
            var g = gfg.defaultValue;
          
            document.getElementById(
              "GFG").innerHTML = g;
        }
    </script>
</body>
</html>