isBetween

The isBetween function checks if a date is between two other dates (inclusive or exclusive).

Syntax

isBetween(date: Date, start: Date, end: Date, inclusive?: boolean): boolean;

Parameters

Name	Type	Description
date	Date	Date to be checked
start	Date	Start date of the interval
end	Date	End date of the interval
inclusive	boolean	(Optional) If true, includes the start and end dates

Returns

Type	Description
boolean	True if the date is within the interval

Examples

isBetween(new Date("2024-06-10"), new Date("2024-06-01"), new Date("2024-06-30"));
// => true

isBetween(new Date("2024-06-01"), new Date("2024-06-01"), new Date("2024-06-30"), true);
// => true

Notes

• Throws an error if any of the dates are not valid.
• Useful for validating date ranges.

References

• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date