remove html
HTML
<script src="https://cdn.jsdelivr.net/npm/string-strip-html/dist/string-strip-html.umd.js"></script>
JavaScript
const stripHtml = stringStripHtml;
const str = "<p><p><strong>Opdrachtspecificaties</strong><br>Referentienummer: BTIT23128<br>Omgeving: Rotterdam<br>Startdatum: z.s.m"
console.log(stripHtml(str));