Which method is commonly used to prevent form submission if validation fails on the client-side?

Which event triggers client-side form validation?

A). onclick

B). onsubmit

C). onchange

D). onvalidate

Which method is commonly used to trigger client-side form validation when a form is submitted?

A). validateForm()

B). event.preventDefault()

C). form.submit()

D). validate()

What is the benefit of validating form input on the client-side?

A). Reduced server load

B). Faster page rendering

C). Improved database performance

D). Enhanced security

Which method prevents form submission if validation fails on the client-side?

A). submitHandler()

B). onsubmit event

C). validate() method

D). preventDefault() method

Which attribute is commonly used to specify validation rules in HTML form elements?

A). validate

B). required

C). validation

D). validate-rule

What is the purpose of the validate() method in client-side form validation libraries?

A). To trigger form submission

B). To validate form input

C). To encrypt form data

D). To execute server-side scripts for validation

Which validation technique ensures that a required field is not left empty?

A). Length limitation

B). Regex pattern matching

C). Presence validation

D). Numeric validation

How can JavaScript be used to validate form input on the client-side?

A). By accessing form elements and checking their values

B). By submitting form data to the server for validation

C). By storing validation rules in the HTML markup

D). By encrypting form data before submission

What is the primary purpose of client-side form validation?

A). Enhance server performance

B). Improve user experience

C). Secure data transmission

D). Validate server responses

Which programming language is commonly used to implement client-side form validation?

A). HTML

B). CSS

C). JavaScript

D). PHP