W3cubDocs

/Dart 2

single property

String single

Implementation

String get single {
  int len = this.length;
  if (len == 1) {
    return JS('String', '#[0]', this);
  }
  if (len == 0) throw new StateError("No elements");
  throw new StateError("More than one element");
}

© 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/DomStringList/single.html