This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The value property of the HTMLLIElement interface indicates the ordinal position of the list element inside a given <ol>. It can be smaller than 0. If the <li> element is not a child of an <ol> element, the property has no meaning.
It reflects the value attribute of the corresponding <li> element. If the <li> element does not have a value content attribute specified, then this property returns 0 by default even when the element may have a default serially-assigned ordinal value when rendered.
An integer.
| Specification |
|---|
| HTML> # dom-li-value> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
value |
1 | 12 | 1 | ≤12.1 | 1 | 18 | 4 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLLIElement/value