.submit() Event

$(() => {

 // listen for a .submit() event on this form
 $('form').submit((event) => {
   // prevent default behavior of forms
   event.preventDefault()

   // read data from text field
   const name = $('input').val()

   if (name === '') {
     alert('Please enter a name')
   } else {
     alert(`Hello ${name}!`)
   }
  })
})