JSFiddle - React, Tailwind, and code Playground
HTML
<div id="aa">lksjdlakj dla ldakjl skajd lkasjlkdas dlaskdjl aksjd laksdj laks djlkas dlkasjd lkasjdl alkdj laksdj alsklkajlksjad lkajsld kasjldkasjd lkjlsk djlkasdj llaskjdl aksdjlaksjd lkasjdlak sdl</div>
<div id="messages"></div>
CSS
#aa {
white-space: nowrap;
}
JavaScript
$(document).ready(function(){
$("#messages").append($("#aa").width() + " " + $("#aa").outerWidth() + " " + $("#aa")[0].scrollWidth);
});