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

Answer & Solution

Answer: Option A
Solution:
JavaScript can be used to access form elements, retrieve their values, and perform validation checks based on predefined rules.
Related Questions on Average

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

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

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

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

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

A). submitHandler()

B). onsubmit event

C). validate() method

D). preventDefault() method

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 does client-side form validation contribute to better user feedback?

A). By providing instant feedback to users

B). By encrypting data during transmission

C). By storing data securely in the database

D). By minimizing server-side processing

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 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