toISOString

The toISOString() function transforms a TheDate into an ISO 8601 string (YYYY-MM-DDTHH:mm:ss.sssZ).

Interactive example

Syntax

function toISOString<
	GenericInput extends TheDate | SerializedTheDate
	>(
	input: GenericInput
): string

Parameters

• input: The date to convert.

Return value

An ISO 8601 string representing the date.

See also

• toNative
• toTimestamp

Sources

• MDN Web Docs - Date.prototype.toISOString()