<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./js/jquery-3.7.1.min.js"></script>
<style>
.box{
width: 200px;
height: 200px;
background-color: red;
padding: 20px;
border: 10px solid green;
margin: 30px;
}
</style>
</head>
<body>
<div class="box"></div>
<script>
var height = $(".box").outerHeight()
var width = $(".box").outerWidth()
console.log(height,width);
</script>
</body>
</html>老师我这也是259.2
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