Version 3.17.2
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Date Class

Defined in: date/js/date-format.js:34
Module: datatype-date-format
Parent Module: datatype-date

Date provides a set of utility functions to operate against Date objects.

Methods

addDays

(
  • oDate
  • numDays
)
Date

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:82

Adds a specified number of days to the given date.

Parameters:

  • oDate Date

    The date to add days to.

  • numDays Number

    The number of days to add (can be negative)

Returns:

Date:

A new Date with the specified number of days added to the original date.

addMonths

(
  • oDate
  • numMonths
)
Date

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:96

Adds a specified number of months to the given date.

Parameters:

  • oDate Date

    The date to add months to.

  • numMonths Number

    The number of months to add (can be negative)

Returns:

Date:

A new Date with the specified number of months added to the original date.

addYears

(
  • oDate
  • numYears
)
Date

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:119

Adds a specified number of years to the given date.

Parameters:

  • oDate Date

    The date to add years to.

  • numYears Number

    The number of years to add (can be negative)

Returns:

Date:

A new Date with the specified number of years added to the original date.

areEqual

(
  • aDate
  • bDate
)
Boolean

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:29

Checks whether two dates correspond to the same date and time.

Parameters:

  • aDate Date

    The first date to compare.

  • bDate Date

    The second date to compare.

Returns:

Boolean:

True if the two dates correspond to the same date and time.

daysInMonth

(
  • oDate
)
Number

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:161

Takes a native JavaScript Date and returns the number of days in the month that the given date belongs to.

Parameters:

  • oDate Date

    Date in the month for which the number of days is desired.

Returns:

Number:

A number (either 28, 29, 30 or 31) of days in the given month.

format

(
  • oDate
  • oConfig
)
HTML

Defined in date/js/date-format.js:169

Takes a native JavaScript Date and formats it as a string for display to user.

Parameters:

  • oDate Date

    Date.

  • oConfig Object

    (Optional) Object literal of configuration values:

    format {HTML} (Optional)

    Any strftime string is supported, such as "%I:%M:%S %p". strftime has several format specifiers defined by the Open group at http://www.opengroup.org/onlinepubs/007908799/xsh/strftime.html PHP added a few of its own, defined at http://www.php.net/strftime

    This javascript implementation supports all the PHP specifiers and a few more. The full list is below.

    If not specified, it defaults to the ISO 8601 standard date format: %Y-%m-%d.

    %a
    abbreviated weekday name according to the current locale
    %A
    full weekday name according to the current locale
    %b
    abbreviated month name according to the current locale
    %B
    full month name according to the current locale
    %c
    preferred date and time representation for the current locale
    %C
    century number (the year divided by 100 and truncated to an integer, range 00 to 99)
    %d
    day of the month as a decimal number (range 01 to 31)
    %D
    same as %m/%d/%y
    %e
    day of the month as a decimal number, a single digit is preceded by a space (range " 1" to "31")
    %F
    same as %Y-%m-%d (ISO 8601 date format)
    %g
    like %G, but without the century
    %G
    The 4-digit year corresponding to the ISO week number
    %h
    same as %b
    %H
    hour as a decimal number using a 24-hour clock (range 00 to 23)
    %I
    hour as a decimal number using a 12-hour clock (range 01 to 12)
    %j
    day of the year as a decimal number (range 001 to 366)
    %k
    hour as a decimal number using a 24-hour clock (range 0 to 23); single digits are preceded by a blank. (See also %H.)
    %l
    hour as a decimal number using a 12-hour clock (range 1 to 12); single digits are preceded by a blank. (See also %I.)
    %m
    month as a decimal number (range 01 to 12)
    %M
    minute as a decimal number
    %n
    newline character
    %p
    either "AM" or "PM" according to the given time value, or the corresponding strings for the current locale
    %P
    like %p, but lower case
    %r
    time in a.m. and p.m. notation equal to %I:%M:%S %p
    %R
    time in 24 hour notation equal to %H:%M
    %s
    number of seconds since the Epoch, ie, since 1970-01-01 00:00:00 UTC
    %S
    second as a decimal number
    %t
    tab character
    %T
    current time, equal to %H:%M:%S
    %u
    weekday as a decimal number [1,7], with 1 representing Monday
    %U
    week number of the current year as a decimal number, starting with the first Sunday as the first day of the first week
    %V
    The ISO 8601:1988 week number of the current year as a decimal number, range 01 to 53, where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week.
    %w
    day of the week as a decimal, Sunday being 0
    %W
    week number of the current year as a decimal number, starting with the first Monday as the first day of the first week
    %x
    preferred date representation for the current locale without the time
    %X
    preferred time representation for the current locale without the date
    %y
    year as a decimal number without a century (range 00 to 99)
    %Y
    year as a decimal number including the century
    %z
    numerical time zone representation
    %Z
    time zone name or abbreviation
    %%
    a literal "%" character

Returns:

HTML:

Formatted date for display.

isGreater

(
  • aDate
  • bDate
)
Boolean

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:42

Checks whether the first date comes later than the second.

Parameters:

  • aDate Date

    The first date to compare.

  • bDate Date

    The second date to compare.

Returns:

Boolean:

True if the first date is later than the second.

isGreaterOrEqual

(
  • aDate
  • bDate
)
Boolean

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:54

Checks whether the first date comes later than or is the same as the second.

Parameters:

  • aDate Date

    The first date to compare.

  • bDate Date

    The second date to compare.

Returns:

Boolean:

True if the first date is later than or the same as the second.

isInRange

(
  • aDate
  • bDate
  • cDate
)
Boolean

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:69

Checks whether the date is between two other given dates.

Parameters:

  • aDate Date

    The date to check

  • bDate Date

    Lower bound of the range.

  • cDate Date

    Higher bound of the range.

Returns:

Boolean:

True if the date is between the two other given dates.

isValidDate

(
  • oDate
)
Boolean

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:12

Checks whether a native JavaScript Date contains a valid value.

Parameters:

  • oDate Date

    Date in the month for which the number of days is desired.

Returns:

Boolean:

True if the date argument contains a valid value.

listOfDatesInMonth

(
  • oDate
)
Array

Provided by the datatype-date-math module.

Defined in date/js/date-math.js:136

Lists all dates in a given month.

Parameters:

  • oDate Date

    The date corresponding to the month for which a list of dates is required.

Returns:

Array:

An Array of Dates from a given month.

parse

(
  • data
)
Date

Provided by the datatype-date-parse module.

Defined in date/js/date-parse.js:9

Converts data to type Date.

Parameters:

  • data Date | Number | String

    date object, timestamp (string or number), or string parsable by Date.parse

Returns:

Date:

a Date object or null if unable to parse

xPad

(
  • x
  • pad
  • r
)
private

Defined in date/js/date-format.js:41

Pad a number with leading spaces, zeroes or something else

Parameters:

  • x Number

    The number to be padded

  • pad String

    The character to pad the number with

  • r Number

    (optional) The base of the pad, eg, 10 implies to two digits, 100 implies to 3 digits.