Editar el código:
ver Resultados »
Inténtalo tú mismo - ©
w3ii.com
<!DOCTYPE html> <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>