JavaScript Temporal Duration compare()
Example
const d1 = Temporal.Duration.from({ hours:2, minutes:30 });
const d2 = Temporal.Duration.from({ hours:1, minutes:30 });
let result = Temporal.Duration.compare(d1, d2);
Try it Yourself »
Description
The compare() method returns -1, 0, or 1 indicating if the first duration
is shorter, equal to, or longer than the second.
Syntax
Temporal.Duration.compare(duration1, duration2)
Parameters
| Parameter | Description |
| duration1 | The first duration to compare. |
| duration2 | The second duration to compare. |
Return Value
| Type | Description |
| Number | -1 if duration1 is shorter than duration2. 0 if they are equal. 1 if duration1 is longer than duration2. |
Note
The equals() method compares only values of the same type.
Other Temporal types must be converted before comparison.
Browser Support
Temporal is a major update to the JavaScript standard (TC39).
It is currently supported in Chrome, Edge, Firefox, and Opera Safari has not shipped it yet.
| Chrome 144 |
Edge 144 |
Firefox 139 |
Safari |
Opera 128 |
| Jan 2026 | Jan 2026 | May 2025 | 🚫 | Feb 2026 |
The Safari implementation can be tested in Safari Technology Preview by enabling the --use-temporal runtime flag.
Polyfill
Until Safari supports Temporal natively, you can use the official polyfill:
<script
src="https://cdn.jsdelivr.net/npm/@js-temporal/polyfill@0.5.1/dist/index.umd.js">
</script>
