How do you validate a field that should only contain numbers?

What does the email rule validate in a form field?

A). Field value is a URL

B). Field value is an email address

C). Field value is a number

D). Field value is a date

How do you include the jQuery Validation Plugin in your HTML file?

A). Using a script tag

B). Using a link tag

C). Using an iframe

D). Using an embed tag

How do you apply validation to only specific fields in a form?

A). By using the field selector

B). By using the field attribute

C). By specifying fields in the validate method

D). By using CSS classes

Which jQuery plugin is commonly used for form validation?

A). jQuery UI

B). jQuery Mobile

C). jQuery Validation Plugin

D). jQuery Animate

Which method is used to initialize form validation with the jQuery Validation Plugin?

A). .validate()

B). .check()

C). .verify()

D). .init()

What does the equalTo rule validate?

A). Field value must be unique

B). Field value must be a number

C). Field value must match another field

D). Field value must be an email address

What is the correct way to specify validation rules in the jQuery Validation Plugin?

A). rules: { fieldName: rule }

B). fields: { rule: fieldName }

C). options: { fieldName: rule }

D). validate: { rule: fieldName }

How can you add a custom validation method using the jQuery Validation Plugin?

A). $.validator.custom()

B). $.validator.addMethod()

C). $.validator.newMethod()

D). $.validator.create()

What is the primary purpose of form validation?

A). Enhance visual design

B). Secure data submission

C). Improve page load speed

D). Reduce server requests

What is the purpose of the remote rule in jQuery Validation Plugin?

A). To check field value uniqueness on the server

B). To validate field value against a regex

C). To prevent default action

D). To handle field validation on the client-side