Which of the following tags would assist in creating named groups within a select list?

Which attribute is not supported in HTML5?

Which statement is correct with regard to the

Which is possible ways to make the browser automatically adds new images and discards deleted images with server-side events in HTML5?

Which is valid HTML5 elements?

What is the limit to the length of HTML attributes?

Which is not a valid tag?

Which of the following is not property of <video> element?

When is the popstate event on a window dispatched?

Which three properties are guaranteed to be provided as part of a geolocation position object?

What is the amount of local storage space per origin recommended by the W3C?