AI 编程工具xxxxxxxxxx<html><head> <meta charset="utf-8"> <title>高手教程(study.p2hp.com)</title> <style type="text/css">div{ border: 1px solid #FF0000;}</style><script>function changeMargin(){ document.getElementById("ex1").style.marginBottom="100px";}function changePadding(){ document.getElementById("ex2").style.paddingBottom="100px";}</script></head><body><div id="ex1">这是一些文本。</div><br><button type="button" onclick="changeMargin()">修改div元素的底部外间距</button><br><br><div id="ex2">这是一些文本。</div><br><button type="button" onclick="changePadding()">修改div元素的底部内间距</button></body></html>