<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>模板之家教程(jc.mobanzj.top)</title> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("p").dblclick(function(){ alert("这个段落被双击。"); }); }); </script> </head> <body> <p>双击这个段落。</p> </body> </html>