Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <h3>如何访问 IFRAME 元素的演示</h3> <iframe id="myFrame" src="/default.asp"></iframe> <p>单击按钮获取 iframe 的 URL。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myFrame").src; document.getElementById("demo").innerHTML = x; } </script> </body> </html>