Input Month defaultValue attribute
Definition and usage
defaultValue
Sets or returns the default value of the month field.
Note:The default value is HTML value attribute as specified.
The difference between defaultValue and value attributes is that defaultValue contains the default value, while value contains the current value after some changes. If there is no change, defaultValue and value are the same (see "More Examples").
The defaultValue attribute is very useful if you want to check if the month/year of the month field has changed.
Instance
Example 1
Change the default value of the month field:
document.getElementById("myMonth").defaultValue = "2023-06";
Example 2
Get the default value of the month field:
var x = document.getElementById("myMonth").defaultValue;
Example 3
Here is an example showing the difference between the defaultValue and value attributes:
var x = document.getElementById("myMonth"); var defaultVal = x.defaultValue; var currentVal = x.value;
Syntax
Return the defaultValue attribute:
monthObject.defaultValue
Set the defaultValue attribute:
monthObject.defaultValue = value
Attribute Value
Value | Description |
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value | Specify the default value of the month field. |
Technical Details
Return Value: | String value, representing the default value of the month field. |
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Browser Support
Chrome | Edge | Firefox | Safari | Opera |
---|---|---|---|---|
Chrome | Edge | Firefox | Safari | Opera |
Support | 10.0 | Support | Support | Support |
Note:The <input type="month"> element does not display any date field/calendar in Firefox.