fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"> </script> <script> $(document).ready(function(){ $("#btn1").click(function(){ $("img").before("<b>之前</b>"); }); $("#btn2").click(function(){ $("img").after("<i>之后</i>"); }); }); </script> </head> <body> <img src="/images/logo.png" > <br><br> <button id="btn1">之前插入</button> <button id="btn2">之后插入</button> </body> </html>
运行结果