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

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

A). document.getElementById()

B). console.log()

C). alert()

D). innerHTML

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

A). validate

B). required

C). validation

D). validate-rule

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

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

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 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 primary purpose of client-side form validation?

A). Enhance server performance

B). Improve user experience

C). Secure data transmission

D). Validate server responses

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