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.verifyValueEqSource Void verifyValueEq(Obj expected)Verify that the hidden element has the given value.