JSFiddle - React, Tailwind, and code Playground

HTML

<div id="comment-holder">
    <ul>
        <li>
            <p>blogwalking yuk
           </p>
        </li>
        <li>
            <p>ane jual togel online gan</p>
        </li>
        <li>
            <p>ane jual silit pitik gan</p>
        </li>
        <li>
            <p>habis beli kopi di warung</p>
        </li>
        <li>
            <p><a href="#">visit balik gan!!!</a>ndokmu</p>
        </li>
    </ul>
</div>

JavaScript

function blockLinks(parentID, children) {
    var parent = document.getElementById(parentID),
        content = parent.getElementsByTagName(children);
    for (var i = 0; i < content.length; i++) {
        var regex = /(^| |>)(oot|blogwalking|jual|beli|ndokmu)(<| |$)/g,
            html = content[i].innerHTML;
        content[i].innerHTML = (regex.test(html)) ? '<del>' + html.replace(regex, "$1<mark>$2</mark>$3") + '</del><br><br>Kata-kata yang ditandai tidak boleh ada di dalam komentar.' : html;
    }
}

// Jalankan fungsi!
blockLinks('comment-holder', 'p');