JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" value="correct votes text" onclick="correctVotesText()">
<div class="votes">
    <b>5</b> Votes
    <a id="vote-' + element_id +'" href="#" class="vote-btn"></a>
</div>
<div class="votes">
    <b>1</b> Votes
    <a id="vote-' + element_id +'" href="#" class="vote-btn"></a>
</div>
<div class="votes">
    <b>2</b> Votes
    <a id="vote-' + element_id +'" href="#" class="vote-btn"></a>
</div>

JavaScript

function correctVotesText() {
    $("div.votes").find("b:first").each(function() {
        this.nextSibling.data = ($(this).text() == "1") ? " Vote" : " Votes";
    });
}