Which tag's positioning is independent of the main flow of the document?

If IE8 doesn't recognize an element (such as <article>), what will it do with that element?

True or False: You can place a footer tag inside of a footer tag.

After the browser fires an `updateready` event, which of the following is true?

Which is true about the placeholder attribute of <input> elements?

On which object will the browser fire history events (such as when the back button is pressed)?

How can audio files be played in HTML5? var sound = new Audio('file.wav');

What does the icon attribute of the HTML5 command tag define? Click Me!

You want to create a link for your website allowing users to email the webmaster. How will you implement this if the webmaster's email address is [email protected]?

Which

Which is valid way to associate custom data with an HTML5 element?