W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <head> <script src="../../ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"> </script> <script> $(document).ready(function(){ $("#btn1").click(function(){ $('#test').load('../example/jquery/demo_test.txt.htm'/*tpa=http://www.jb51.net/example/jquery/demo_test.txt*/); }) }) </script> </head> <body> <h3 id="test">请点击下面的按钮，通过 jQuery AJAX 改变这段文本。</h3> <button id="btn1" type="button">获得外部的内容</button> </body> </html>
查看结果: