Which jQuery plugin is commonly used for form validation?
A). jQuery UI
B). jQuery Mobile
C). jQuery Validation Plugin
D). jQuery Animate
How can you prevent a form from being submitted if it is invalid?
A). By using the onsubmit option
B). By using the preventSubmit option
C). By using the blockSubmit option
D). By using the submitHandler option
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
Which option allows you to place error messages in a specific location?
A). errorPlacement
B). errorLocation
C). errorPosition
D). errorField
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
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 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 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
Which method prevents the default form submission if validation fails?
A). submitHandler: function(form)
B). beforeSubmit: function(form)
C). onError: function(form)
D). preventSubmit: function(form)
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 }