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<!DOCTYPE html> <html> <body> <h3>如何访问 ASIDE 元素的演示</h3> <p>"My family and I visited The Epcot center this summer."</p> <aside id="myAside"> <h4>Epcot Center</h4> <p>The Epcot Center is a theme park in Disney World, Florida.</p> </aside> <p>Click the button to set the text color of the aside content to red.</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.getElementById("myAside"); x.style.color = "red"; } </script> </body> </html>