W3cubDocs

/Dart 2

dart:html

add method

void add (Object element, Object before)

Implementation 

void add(Object element, Object before) native;

© 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/SelectElement/add.html