)
Creates an element upgrader which can be used to change the Dart wrapper type for elements.
The type specified must be a subclass of HtmlElement, when an element is upgraded then the created constructor will be invoked on that element.
If the type is not a direct subclass of HtmlElement then the extendsTag parameter must be provided.
Source
/// Creates an element upgrader which can be used to change the Dart wrapper
/// type for elements.
///
/// The type specified must be a subclass of HtmlElement, when an element is
/// upgraded then the created constructor will be invoked on that element.
///
/// If the type is not a direct subclass of HtmlElement then the extendsTag
/// parameter must be provided.
@Experimental()
ElementUpgrader createElementUpgrader(Type type, {String extendsTag}) {
return new _VMElementUpgrader(this, type, extendsTag);
}