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

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 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

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

How does client-side form validation contribute to improved security?

A). By preventing malicious data submission

B). By encrypting data during transmission

C). By storing data securely in the database

D). By executing server-side validation scripts

What is the advantage of using client-side form validation over server-side validation?

A). Immediate feedback to users

B). Access to server resources

C). Simplified form structure

D). Increased server load

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 is used to display error messages in client-side form validation?

A). document.getElementById()

B). console.log()

C). alert()

D). innerHTML

How does client-side form validation contribute to better error handling?

A). By identifying errors before form submission

B). By encrypting form data

C). By storing errors in the database

D). By executing server-side scripts for error correction

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

A). submitHandler()

B). onsubmit event

C). validate() method

D). preventDefault() method

Which event triggers client-side form validation?

A). onclick

B). onsubmit

C). onchange

D). onvalidate