This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
The reversed property of the HTMLOListElement interface indicates order of a list.
It reflects the reversed attribute of the <ol> element.
A boolean value. If true, it indicates that the list is a descending list (..., 3, 2, 1).
<ol id="order-list"> <li>Fee</li> <li>Fi</li> <li>Fo</li> <li>Fum</li> </ol>
const olElement = document.querySelector("#order-list");
console.log(olElement.reversed); // Output: "false"
olElement.reversed = "true";
console.log(olElement.reversed); // Output: "true"
| Specification |
|---|
| HTML> # dom-ol-reversed> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
reversed |
18 | 79 | 18 | ≤12.1 | 6 | 18 | 18 | ≤12.1 | 6 | 1.0 | 4.4 | 6 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLOListElement/reversed