Answer Posted / nashiinformaticssolutions

Custom attributes to store extra information on elements for JavaScript usage. Example:
<div data-user-id="12345">John Doe</div>

Do all html tags have an end tag?

852

---

Explain Block Elements?

890

---

What is a web worker in html5?

835

---

What are types of tags in html?

830

---

Which video and audio formats are used for embedding on web page?

864

---

Does html5 work on internet explorer?

917

---

What is the use of Canvas element?

997

---

How many tags are defined in xhtml 1.0?

859

---

How is fontsize and font size differ in dhtml?

905

---

What are the different types of frames tags used in html?

817

---

How do you define html5?

893

---

What is

tag and why it is used for?

812

---

What are the body tag attributes?

908

---

Should nav be inside header?

890

---

What is the difference between standard mode and quirks mode?

926

---