fmpq.com
源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"> </script> <script> $(document).ready(function(){ $("body").on("click", "button", function(event){ alert("delegateTarget 返回: " + event.delegateTarget.nodeName + "\ncurrentTarget 返回: " + event.currentTarget.nodeName); }); }); </script> </head> <body> <button>在委托事件发生后显示 delegateTarget 和 currentTarget 的区别。</button> </body> </html>
运行结果