Input Datetime max Property

Get the maximum date and time allowed for a datetime field:

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

Description

The max property sets or returns the value of the max attribute of a datetime field.

The max attribute specifies the maximum value (date and time) for a datetime field.

Tip: Use the max attribute together with the min attribute to create a range of legal values.

Tip: To set or return the value of the min attribute, use the min property.

Property
max	Yes	10.0	Yes	Yes	Yes

Note: The <input type="datetime"> element does not show any datetime field/calendar in any major browsers, except Safari.

Return the max property:

datetimeObject.max

Set the max property:

datetimeObject.max = YYYY-MM-DDThh:mm:ssTZD

Value	Description
YYYY-MM-DDThh:mm:ssTZD	Specifies the maximum date and/or time allowed for the datetime field. Explanation of components: YYYY - year (e.g. 2011) MM - month (e.g. 01 for January) DD - day of the month (e.g. 08) T - a required separator if time is also specified hh - hour (e.g. 22 for 10.00pm) mm - minutes (e.g. 55) ss - seconds (e.g. 03) TZD - Time Zone Designator (Z denotes Zulu, also known as Greenwich Mean Time)

Value

Description

YYYY-MM-DDThh:mm:ssTZD

Specifies the maximum date and/or time allowed for the datetime field.

Explanation of components:

Return Value:	A String, representing the maximum date and time allowed

Change the maximum date and time:

document.getElementById("myDatetime").max = "2012-01-01T11:57Z";