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

Answer & Solution

Answer: Option B
Solution:
The event.preventDefault() method is commonly used to prevent the default action (form submission) if validation fails on the client-side.
Related Questions on Average

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

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

How can client-side form validation enhance user experience?

A). By providing real-time feedback

B). By encrypting sensitive data

C). By executing server-side scripts

D). By storing data locally

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

A). submitHandler()

B). onsubmit event

C). validate() method

D). preventDefault() method

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

A). event.preventDefault()

B). form.submit()

C). validate()

D). validateForm()

What is the role of CSS in client-side form validation?

A). To style error messages

B). To validate form input

C). To execute validation logic

D). To intercept form submissions

What is the purpose of displaying error messages in client-side form validation?

A). To guide users through the form

B). To execute server-side scripts

C). To encrypt form data

D). To validate user credentials

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

A). validate

B). required

C). validation

D). validate-rule

How does client-side form validation improve data accuracy?

A). By identifying errors before submission

B). By encrypting data during transmission

C). By validating server responses

D). By storing data securely in the database