Which attribute will allow the function checkPhoneNumber() to run when the user submits the form?

Question

onClick= "return checkPhoneNumber()"

onsubmit= "return checkPhoneNumber()"

onClick= "checkPhoneNumber()"

onsubmit= "checkPhoneNumber()"

Answer 1

onsubmit= "return checkPhoneNumber()"

Answer 2

are you very sure

Answer 3

Yes, I am sure. The "onsubmit" attribute specifies a JavaScript function to run when the form is submitted. So in this case, using "onsubmit= 'return checkPhoneNumber()'" will allow the function checkPhoneNumber() to run when the user submits the form.