<html><body><p>Click the button get the node value of the first button element in the document.</p><button onclick="myFunction()">Try it</button><p><strong>Note:</strong> Text inside elements are considered to be text nodes, so we return the node value of the button element's first child (childNodes[0]).</p><p id="demo"></p><script>function myFunction() { var c = document.getElementsByTagName("BUTTON")[0]; var x = c.childNodes[0].nodeValue; document.getElementById("demo").innerHTML = x;}</script></body></html>