You develop a webpage by using HTML5. You create the following markup:

<

input type -url- name= -website- required=-required- /

>

You need to ensure that the value that the user enters contains a secure URL.

What should you do?

A. Add the following attribute to the input tag: value=-https://v

B. Add the following attribute to the input tag: pattern=-https://.+-

C. Add the following attribute to the input tag: value=-ssl-

D. Add the following attribute to the input tag: itemtype=-https-

Explanation:

Note:

* The pattern attribute is supported in Internet Explorer 10, Firefox, Opera, and Chrome.

* The pattern attribute specifies a regular expression that the

<

input

>

elements value is checked against.

* The pattern attribute works with the following input types: text, search, url, tel, email, and password