Add an additional validator to the current list of validators.
Elements and attributes will be accepted if they are accepted by any validators.
void add(NodeValidator validator) { _validators.add(validator); }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/NodeValidatorBuilder/add.html