createElementUpgrader method

Creates an element upgrader which can be used to change the Dart wrapper type for elements.

ElementUpgrader createElementUpgrader(
Type type,
{String extendsTag}
)

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.