編輯代碼:
查看結果 »
試一試 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <h3>A demonstration of how to access a STRONG element</h3> <p>Click the button to set the color of <strong id="myStrong">this strong text</strong> to red.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var x = document.getElementById("myStrong"); x.style.color = "red"; } </script> </body> </html>