Temporal.Instant.prototype.equals()

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The equals() method of Temporal.Instant instances returns true if this instant is equivalent in value to another instant (in a form convertible by Temporal.Instant.from()), and false otherwise. They are compared by their epochNanoseconds. It is equivalent to Temporal.Instant.compare(this, other) === 0.

Syntax

equals(other)

Parameters

other: A string or a Temporal.Instant instance representing the other instant to compare. It is converted to a Temporal.Instant object using the same algorithm as Temporal.Instant.from().

Return value

true if this instant is equal to other by nanoseconds, false otherwise.

Examples

Using equals()

const instant1 = Temporal.Instant.from("2021-08-01T12:34:56Z");
const instant2 = Temporal.Instant.fromEpochMilliseconds(1627821296000);
console.log(instant1.equals(instant2)); // true

Specifications

Specification
Temporal proposal # sec-temporal.instant.prototype.equals

Browser compatibility

	Desktop					Mobile						Server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	Deno	Node.js
`equals`	No	No	No	No	preview	No	No	No	No	No	No	1.40	No