TRUE if id exists in the SVG document, FALSE otherwise.Handle.hasSub
bool hasSub(string id)Checks whether the element id exists in the SVG document.
Element IDs should look like an URL fragment identifier; for example, pass #foo (hash foo) to get the geometry of the element that has an id="foo" attribute.
Parameters
id | An element's id within the SVG, starting with "#" (a single hash character), for example, #layer1. This notation corresponds to a URL's fragment ID. |