JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" name="userinput[]" />
<input type="text" name="userinput[]" />
<a href="javascript:void(0);">More</a>

CSS

input { display: block; }

JavaScript

$('a').click( function(e) {
    e.preventDefault();
    $(this).before('<input type="text" name="team_names[]" />');

    //refocus on the first empty input
    $("input[value='']:first").focus();
});