List<Node> getEffectiveChildNodes()

Returns a list of nodes that are the effective childNodes. The effective childNodes list is the same as the element's childNodes except that any <content> elements are replaced with the list of nodes distributed to the <content>, the result of its getDistributedNodes method.

Source

List<Node> getEffectiveChildNodes() =>
    jsElement.callMethod('getEffectiveChildNodes');