IsLeapYear

Determine whether a given integer value represents a leap year.

Method Signature

IsLeapYear(year=[numeric])

Arguments

Argument	Type	Required	Description	Default
year	numeric	true	Number representing the year to test.

Examples

Is the current date in a leap year?

Run Example

date = now();
isLeapYear = isLeapYear( year( date ) );
writeOutput( isLeapYear );

Additional Examples

Run Example

writeDump( label="2018", var=IsLeapYear( 2018 ) );
writeDump( label="2020", var=IsLeapYear( 2020 ) );
writeDump( label="1", var=IsLeapYear( 1 ) );

Related

• ArrayIsEmpty

• arrayIsEmpty

• Attempt

• IsArray

• IsBinary

• IsBoolean

• IsClosure

• IsCustomFunction

• IsDate

• IsDateObject

• IsDebugMode

• IsDefined

• IsEmpty

• IsFileObject

• IsIPv6

• IsJSON

• IsLocalHost

• IsNull

• IsNumeric

• IsNumericDate

• IsObject

• IsQuery

• IsSimpleValue

• IsStruct

• IsValid

• IsXML

• IsXmlAttribute

• IsXMLDoc

• IsXMLElem

• IsXMLNode

• IsXMLRoot

• LSIsNumeric

• structIsEmpty