<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
body {
font-family: "Microsoft YaHei", serif;
}
body, dl, dd, p, h1, h2, h3, h4, h5, h6 {
margin: 0;
}
ol, ul, li {
margin: 0;
padding: 0;
list-style: none;
}
img {
border: none
}
</style>
</head>
<body>
<div class="wrap"></div>
<div class="wrap"></div>
<script>
var aWrap = document.getElementsByClassName("wrap");
aWrap[0].className = "box";
aWrap[0].innerText = "妹妹";
</script>
</body>
</html>
Python3Turtle