Bearbeiten Sie den Code:
Siehe Ergebnis »
Versuch es selber - ©
w3ii.com
<!DOCTYPE html> <html> <body> <h3>A demonstration of how to access a H2 element</h3> <h2 id="myHeading">This is a h2 element.</h2> <p>Click the button to set the color of the h2 element to red.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var x = document.getElementById("myHeading"); x.style.color = "red"; } </script> </body> </html>