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

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

A). submitHandler()

B). onsubmit event

C). validate() method

D). preventDefault() method

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

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

A). document.getElementById()

B). console.log()

C). alert()

D). innerHTML

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 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()

Which event triggers client-side form validation?

A). onclick

B). onsubmit

C). onchange

D). onvalidate

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 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

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

A). HTML

B). CSS

C). JavaScript

D). PHP