fmpq.com
源代码:
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <form> 按钮: <button id="firstbtn">OK</button> <button id="secondbtn">OK</button> </form> <p>点击下面的按钮禁用上面的第一个按钮。</p> <button onclick="disableElement()">禁用按钮</button> <script> function disableElement(){ document.getElementById("firstbtn").disabled=true; } </script> </body> </html>
运行结果