Remove “OK” button from sweet alert dialog

You can use these properties:

showCancelButton: false, // There won't be any cancel button
showConfirmButton: false // There won't be any confirm button

Like This

swal({
  title: 'Auto close alert!',
  text: 'I will close in 2 seconds.',
  timer: 2000,
  showCancelButton: false,
  showConfirmButton: false
}).then(
  function () {},
  // handling the promise rejection
  function (dismiss) {
    if (dismiss === 'timer') {
      //console.log('I was closed by the timer')
    }
  }
)