isElementWithSRC function
Returns true
if element
type can have src
attribute.
Implementation
bool isElementWithSRC(Element element) {
if (element is ImageElement) return true;
if (element is ScriptElement) return true;
if (element is InputElement) return true;
if (element is MediaElement) return true;
if (element is EmbedElement) return true;
if (element is IFrameElement) return true;
if (element is SourceElement) return true;
if (element is TrackElement) return true;
if (element is ImageButtonInputElement) return true;
return false;
}