JSFiddle - React, Tailwind, and code Playground
HTML
<input class="auto" type="text">
JavaScript
$('.auto').one('keyup', function(e) {
$(this).val(String.fromCharCode(e.keyCode));
});
<input class="auto" type="text">
$('.auto').one('keyup', function(e) {
$(this).val(String.fromCharCode(e.keyCode));
});