Required. This property returns 'true' if the JavaScript object currently maps down to an underlying XML tree object (a tag, comment, text element etc). This
property is useful when manipulating XML trees because attempting operations on objects that no longer map to an XML element will throw an error. Example: if you delete a tag in an XML tree and have another JavaScript object the references one of the children of that tag then
the child element will cease to reference an object when the parent is deleted. Available from version : 1.3.27 |