JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<div>chelsea chelsea chelsea chelsea chelsea chelsea chelsea</div>
<div>iiiii iiiii iiiii iiiii iiiii iiiii iiiii iiiii</div>

CSS

div {
    font-family: monospace;
}

JavaScript

$("div").each(function() {
    var nm = $(this).html();

    if (nm.length > 17)
        nm = nm.substr(0, 16) + '...';
    else
        nm = nm;

    $(this).html(nm);
});