const classafBounce::Hiddensys::Obj afBounce::Element afBounce::Hidden(HTML Element) Represents a form <input> of type hidden.makeFromCssSourcenew makeFromCss(Str cssSelector)nameSource Str? name()Returns the name attribute.valueSource Str? valueGets and sets the value attribute. Returns null if the value has not been set.verifyValueEqSource Void verifyValueEq(Obj expected)Verify that the hidden element has the given value.