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"
