insert_before method

insert_before

Inserts the node before the existing child node child. If child is null, insert node at the end of the list of children. If child is a DocumentFragment object, all of its children are inserted, in the same order, before child. If the child is already in the tree, it is first removed.

Returns

Returns inserted node

def insert_before(self, node, child):
    ...
ParameterTypeDescription
nodeNodeThe new child.
childNodeThe ref child.

See Also