fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <meta charset="utf-8"> <head> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ alert("值为: " + $("#test").val()); }); }); </script> </head> <body> <p>名称: <input type="text" id="test" value="Fmpq教程"></p> <button>显示值</button> </body> </html>
运行结果