Tryit Editor v2.3

Edit This Code:
<!DOCTYPE html> <html> <body> <h1 id="myH1">How to change the style of a header</h1> <p>Click the button to add a color to the H1 element.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { document.getElementById("myH1").style.color = "red"; } </script> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_element_style by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:29:02 GMT --> </html>
Result:
Try it Yourself - © w3schools.com