BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>BootWiki 教程网</title> </head> <body> <form> 猫:<input id="cats" name="pet" type="radio"><br> 狗:<input id="dogs" name="pet" type="radio"> </form> <p>单击下面的按钮禁用第一个单选框。</p> <button onclick="disableElement()">禁用单选框按钮</button> <script> function disableElement(){ document.getElementById("cats").disabled=true; } </script> </body> </html>
运行结果