Редактирование кода:
См Результат »
Попробуй сам - ©
w3ii.com
<!DOCTYPE html> <html> <body> <h3>A demonstration of how to access an EM element</h3> <p>Click the button to set the color of <em id="myEm">this emphasized text</em> to red.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var x = document.getElementById("myEm"); x.style.color = "red"; } </script> </body> </html>