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
Which jQuery plugin is commonly used for form validation?
A). jQuery UI
B). jQuery Mobile
C). jQuery Validation Plugin
D). jQuery Animate
What is the default event that triggers form validation in the jQuery Validation Plugin?
A). onSubmit
B). onBlur
C). onChange
D). onFocus
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
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
How do you validate a field that should only contain numbers?
A). Use the number rule
B). Use the digits rule
C). Use the numeric rule
D). Use the integer rule
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 }
Which rule ensures that a field must not be left empty?
A). minlength
B). maxlength
C). required
D). email
What is the purpose of the highlight option in jQuery Validation Plugin?
A). To change the color of valid fields
B). To change the color of invalid fields
C). To add a CSS class to valid fields
D). To add a CSS class to invalid fields
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)