List<Element> get children { if (_docChildren == null) { _docChildren = new FilteredElementList(this); } return _docChildren; }
set children(List<Element> value) { // Copy list first since we don't want liveness during iteration. var copy = value.toList(); var children = this.children; children.clear(); children.addAll(copy); }
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https://api.dart.dev/stable/2.5.0/dart-html/DocumentFragment/children.html