JAVASCRIPT

on modal close jquery

$('#myModal').on('hidden.bs.modal', function () {
  // do something…
})

jquery modal close

$('#myModal').modal().hide();

jquery on modal close event

$('#myModal').on('hidden.bs.modal', function () {
  // do something…
})

modal show not close jquery

jQuery('#modal_ajax').modal('show', {backdrop: 'static', keyboard: false});