JSFiddle - React, Tailwind, and code Playground

HTML

<b id="foo">Some bold text</b> and a text node

JavaScript

window.jQuery('#foo').each(function (i) {
    var nextNode = this.nextSibling;
    if (nextNode && nextNode.nodeType == 3) {
        alert("Next sibling is a text node with text '" + nextNode.data + "'");
    }
});