Custom Polymer element extending AElement in Dart

Question

I\'d like to create custom Polymer element \'ab-btn\' which extends \'a\' element. It should be used as:

Answer 1

You should add with Polymer, Observable

@CustomTag('ab-btn')
class AbBtn extends AElement with Polymer, Observable {
  AbBtn.created() : super.created() {
    super.polymerCreated(); // <== also important for elements that extend DOM elements
  }
}

When you use the element

<a is="ab-btn" href="http://www.gooogle.com">Google</a>

or create the element by code:

var elm = new Element.tag('a', 'ab-btn');