HTML | DOM Input Month defaultValue Property

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 value of the Month field in the form of a string.

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

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<!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>

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Output
Before clicking on the button:

After clicking on the button:

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

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<!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>

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Output:
Before clicking on the button:

After clicking on the button:

Supported Browsers: The browser supported by DOM input Month defaultValue Property are listed below:

  • Google Chrome
  • Internet Explorer 10.0 +
  • Firefox
  • Opera
  • Safari

Note: In Firefox, the input type=”month” element does not show any date field or calendar.



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