You are developing a customer web form that includes the following HTML input field.
<input id="txtValue"/>
If a customer enters a value in the input field, then it must be a numeric value.
You need to add validation to the input field.
Which HTML should you use?
A . <input id="txtValue" type-"text" pattern="/#" />
B . <input id="txtValue" type="number" />
C . <input id="txtVa!ue" type="integer" />
D . <input id="txtValue" type="text" required="required"/>
Answer: B
Explanation:
HTML5 Input Types:
color
date
datetime
datetime-local
email
month
number
range
search
tel
time
url
week
Reference: HTML Input Types
http://www.w3schools.com/html/html5_form_input_types.asp