Make the registration form validation and Add a submit button. It is required the

following check

$1.$ First Name $2.$ Last Name $($It is never empty, and only the alphabet is allowed$)$

$2.$ Date of Birth $($if it is not select any DOB, then provide an error message$)$

$3.$ Email id $($it is never empty$)$

$4.$ Telephone number $($It is never empty, and add a regular expression for checking

the telephone number$)$

$5.$ Gender $($If there is no selection of gender, then provide an error message$)$

$6.$ Country $($Add a first dropdown item name $$select$--$; if the user does not select

country, then provide an error message$)$

$7.$ Button $($Submit and Cancel$)$