insertItemBefore
The insertItemBefore() method of the SVGLengthList interface inserts a new item into the list at the specified position. The first item is indexed 0. The inserted item is the item itself and not a copy.
The insertItemBefore() method of the SVGLengthList interface inserts a new item into the list at the specified position. The first item is indexed 0. The inserted item is the item itself and not a copy.