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Input Week defaultValue Property

❮ Input Week Object

Example

Change the default value of a week field:

document.getElementById("myWeek").defaultValue = "2014-W43";
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Definition and Usage

The defaultValue property sets or returns the default value of a week field.

Note: The default value is the value specified in the HTML value attribute.

The difference between the defaultValue and value property, is that defaultValue contains the default value, while value contains the current value after some changes have been made. If there are no changes, defaultValue and value is the same (see "More Examples" below).

The defaultValue property is useful when you want to find out whether the week of a week field have been changed.


Browser Support

Property
defaultValue Yes 10.0 Yes Yes Yes

Note: The <input type="week"> element does not show any date field/calendar in Firefox.


Syntax

Return the defaultValue property:

weekObject.defaultValue

Set the defaultValue property:

weekObject.defaultValue = value

Property Values

Value Description
value Specifies the default value of the week field


Technical Details

Return Value: A String, representing the default value of the week field

More Examples

Example

Get the default value of a week field:

var x = document.getElementById("myWeek").defaultValue;

The result of x will be:

1995-W35
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Example

An example that shows the difference between the defaultValue and value property:

var x = document.getElementById("myWeek");
var defaultVal = x.defaultValue;
var currentVal = x.value;
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❮ Input Week Object