VIM

vim

//Deteact keyboard code when user type to the input
$('input').on('keydown', function (e) {
   console.log(e.keyCode);
})

//For esc/i/j and k
$(document).keyup(function(e) {
  if (e.keyCode == 27) { alert('esc') }   // esc
  if (e.keyCode == 73) { alert('i') }   // i insert mode
  if (e.keyCode == 74) { alert('j') }   // j left
  if (e.keyCode == 75) { alert('k') }   // k right
});