JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <input type="text" maxlength="1" />
    <input type="text" maxlength="1" />
    <input type="text" maxlength="1" />
</form>

CSS

input[type=text] {
    width: 30px;
}

JavaScript

$("input").keyup(function() {
         
      var input_flds = $(this).next("input");
      input_flds.select().focus();
            
});