<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <script src="js/jquery-2.1.0.js" type="text/javascript" charset="utf-8"></script> </head> <body> <p> <button id="change" type="button">点击事件</button> </p> <script type="text/javascript"> $(function() { setTimeout(function() { var buy = document.getElementById(‘change‘); buy.click(); }, 200); }); $("#change").click(function(){ console.log("八戒你瘦了！") }) </script> </body> </html>
原文：https://www.cnblogs.com/wuzaipei/p/10721821.html