This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The appendItem() method of the SVGNumberList interface inserts a new item at the end of the list. If the given item is already in a list, it is removed from its previous list before it is inserted into this list. The inserted item is the item itself and not a copy.
appendItem(newItem)
The SVGNumber that was added to the list.
NoModificationAllowedError DOMException
Thrown if the SVGNumberList corresponds to a read-only attribute or when the object itself is read-only.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
appendItem |
6 | 12 | 3 | ≤12.1 | 6 | 18 | 4 | ≤12.1 | 6 | 1.0 | 4.4 | 6 |
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https://developer.mozilla.org/en-US/docs/Web/API/SVGNumberList/appendItem