源代码:
<!DOCTYPE html> <html> <meta charset="utf-8"> <head> <script src="http://libs.baidu.com/jquery/1.10.2/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="Wfuyu教程"></p> <button>显示值</button> </body> </html>
运行结果：