Changes

// The tag name of input field, which is enum of "input", "textarea", or "contenteditable"

// [JS] I think "type" would be better here.

readonly DOMString name;

// See http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#states-of-the-type-attribute

// [JS] and "inputtype" here.

readonly DOMString type;

* See http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#input-modalities:-the-inputmode-attribute

*/

readonly DOMString inputmode;

* See http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#htmlelement

*/

readonly DOMString lang;