81     def insertBefore(self, newChild, refChild):  argument
82         if newChild.nodeType == self.DOCUMENT_FRAGMENT_NODE:
83             for c in tuple(newChild.childNodes):
86             return newChild
87         if newChild.nodeType not in self._child_node_types:
89                 "%s cannot be child of %s" % (repr(newChild), repr(self)))
90         if newChild.parentNode is not None:
91             newChild.parentNode.removeChild(newChild)
93             self.appendChild(newChild)
99             if newChild.nodeType in _nodeTypes_with_children:
101             self.childNodes.insert(index, newChild)
102             newChild.nextSibling = refChild
103             refChild.previousSibling = newChild
106                 node.nextSibling = newChild
107                 newChild.previousSibling = node
109                 newChild.previousSibling = None
110             newChild.parentNode = self
111         return newChild
130     def replaceChild(self, newChild, oldChild):  argument
131         if newChild.nodeType == self.DOCUMENT_FRAGMENT_NODE:
134             return self.insertBefore(newChild, refChild)
135         if newChild.nodeType not in self._child_node_types:
137                 "%s cannot be child of %s" % (repr(newChild), repr(self)))
138         if newChild is oldChild:
140         if newChild.parentNode is not None:
141             newChild.parentNode.removeChild(newChild)
146         self.childNodes[index] = newChild
147         newChild.parentNode = self
149         if (newChild.nodeType in _nodeTypes_with_children
152         newChild.nextSibling = oldChild.nextSibling
153         newChild.previousSibling = oldChild.previousSibling
156         if newChild.previousSibling:
157             newChild.previousSibling.nextSibling = newChild
158         if newChild.nextSibling:
159             newChild.nextSibling.previousSibling = newChild
948     def insertBefore(self, newChild, refChild):  argument
960     def replaceChild(self, newChild, oldChild):  argument
1365     def appendChild(self, newChild):  argument
1369     def insertBefore(self, newChild, refChild):  argument
1377     def replaceChild(self, newChild, oldChild):  argument