In this code, what is the purpose of defer?

When should you use the

Which snippet of HTML, when clicked, makes a phone call on a mobile device?

What is the purpose of the class attribute?

What is the most semantic way to mark up this sentence so that "happy talk must die" is rendered as an inline quote? As Steve Krug once said, happy talk must die.

What is the primary purpose of HTML?

<ol> tags will create what kind of list ?

Which tag is used to insert images into your web page?

Which of the following defines a multi-line text input control in HTML?

Which one is the mandatory attribute of the <img> tag?

What does <A href="#title2"> create?