JSFiddle - React, Tailwind, and code Playground

HTML

<h1 class="remove">
<script language="javascript" src="https://financeiro.hosctgator.com.br/feeds/productsinfo.php?pid=5&get=name"></script>
</h1>


<h2 class="remove">
<script language="javascript" src="https://financeiro.hostgator.com.br/feeds/productsinfo.php?pid=5&get=description"></script>
</h2>

JavaScript

function removeScripts(el) {
    $(el).each(function () {
        var i = this;
        var value = ($(i).text()).replace(/\s/g, '');
        if (value.length > 0) {
            $('script', i).remove();
        } else {
            setTimeout(function () {
                removeScripts(el);
            }, 500);
        }
    });
}

removeScripts('.remove');