Pass parameters to Dart Polymer element

Question

The only solid example I could find for Dart Polymer doesn\'t use any parameters. How can I pass parameters to the template. Is it done through the constructor?

My s

Answer 1

If you are creating a custom element you can use a factory constructor:

class MyElement extends HtmlElement {
  int _foo;
  factory MyElement(int foo) => new Element.tag('my-tag').._foo = foo;
  MyElement.created() {
     // Careful _foo has not been assigned yet.
  }
}

main() {
   document.register('my-tag', MyElement);
   var element = new MyElement(42);
}

I assume this also works for PolymerElements, but I haven't tried this myself.