This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The start property of the HTMLOListElement interface indicates starting value of the ordered list, with default value of 1.
It reflects the start attribute of the <ol> element.
Note: The start property value is independent of the HTMLOListElement.type property; it is always numeric, even when type is letters or Roman numerals.
A long value.
<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.start); // Output: "1"
olElement.start = "11";
console.log(olElement.start); // Output: "11"
| Specification |
|---|
| HTML> # dom-ol-start> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
start |
1 | 12 | 1 | ≤12.1 | 3 | 18 | 4 | ≤12.1 | 1 | 1.0 | 4.4 | 1 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLOListElement/start