<div class="tags">
<a href="#">QnA</a> | <a href="#">com</a>
</div>
const parseNode = (node) => {
if (node.nodeType === Node.TEXT_NODE) {
node.nodeValue = node.nodeValue.replace(/\|/g, "Habr");
} else {
node.childNodes.forEach(parseNode);
}
};
parseNode(document.body);
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