JSFiddle - React, Tailwind, and code Playground

HTML

Name<input id='fname' data-keyCapture='firstName'>
<div id='firstName'></div>

CSS

div#firstName {
    width:100px;
    height:20px;
    background-color:beige;
}

JavaScript

$(function() {
    
    $(document).keydown(function(ev)
                        {
                            if (ev.which == 13) {
                                ev.preventDefault();
                                var input = $(ev.target).data('keycapture');
                                if(input != undefined)
                                {
                                    $('#' + input).append('down');
                                }
                               }
                        });  
});