addAll method
Adds all entries
to children nodes.
Implementation
DOMNode addAll(Iterable? entries) {
if (entries != null) {
var added = false;
for (var e in entries) {
if (e != null) {
_addNotNullImpl(e);
added = true;
}
}
if (added) {
normalizeContent();
}
}
return this;
}