AI 编程工具xxxxxxxxxx<html><head><meta charset="utf-8"><title>高手教程(study.p2hp.com)</title><script src="https://cdn.staticfile.net/jquery/1.10.2/jquery.min.js"></script><script>$(document).ready(function(){ $("button").click(function(){ $("p").offsetParent().css("background-color","red"); });});</script></head><body><button>设置背景颜色</button><div style="border:1px solid black;width:70%;position:absolute;left:10px;top:50px"><div style="border:1px solid black;margin:50px;background-color:yellow"><p>点击按钮这一段的设置第一个定位的父元素的背景颜色。</p></div></div></body></html>