Q
How can developers enforce a specific format for phone numbers using jQuery?

Answer & Solution

Answer: Option C
Solution:
Developers can enforce a specific format for phone numbers by creating a custom validation rule with a regular expression that matches the desired format for phone numbers.
Related Questions on Average

Which option allows developers to customize error messages for validation rules in jQuery?

A). A. messages attribute in HTML

B). B. errorMessages() method

C). C. messages option in the jQuery Validation Plugin

D). D. error() method

What is the purpose of customizing error messages in jQuery?

A). A. To confuse users with misleading error messages

B). B. To provide clear instructions for correcting input errors

C). C. To slow down form submission

D). D. To reduce server load

What is the purpose of the errorPlacement option in the jQuery Validation Plugin?

A). A. To specify where error messages should be displayed

B). B. To trigger form submission

C). C. To define custom validation rules

D). D. To display error messages

What is the purpose of the addMethod() function in jQuery?

A). A. To add new input fields to the form

B). B. To define custom validation rules

C). C. To trigger form submission

D). D. To display error messages

How can developers specify multiple validation rules for a single input field in jQuery?

A). A. By using the validate() method with multiple rule parameters

B). B. By defining an array of rules for the input field

C). C. By creating a separate validation method for each rule

D). D. By including multiple attributes on the input field, each specifying a different validation rule

How can developers enforce password strength requirements using jQuery?

A). A. By setting the minlength attribute on the password field

B). B. By using the required attribute on the password field

C). C. By creating a custom validation rule with a regular expression

D). D. By displaying a generic error message

How can developers enforce minimum and maximum length requirements for input fields using jQuery?

A). A. By setting the minLength and maxLength attributes on the input fields

B). B. By using the required attribute on the input fields

C). C. By creating custom validation rules with regular expressions

D). D. By displaying a generic error message

Which option allows developers to specify custom validation error classes in jQuery?

A). A. errorClass attribute in HTML

B). B. customErrorClass option in the jQuery Validation Plugin

C). C. errorClass option in the jQuery Validation Plugin

D). D. customClass() method

How can developers ensure that a specific checkbox is checked before form submission using jQuery?

A). A. By using the requireChecked() method

B). B. By setting the required attribute on the checkbox field

C). C. By creating a custom validation rule with a regular expression

D). D. By displaying a generic error message

What is the purpose of the remote method in jQuery validation?

A). A. To validate input against a server-side script

B). B. To trigger form submission

C). C. To customize error messages

D). D. To display error messages