<!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.min.js"></script>
<style>
div {
width: 100px;
height: 100px;
background-color: pink;
border: 1px solid black;
padding: 10px;
margin: 15px;
}
</style>
</head>
<body>
<div></div>
<script>
$(function() {
//width
console.log($("div").width());
//("div").width(300);
//innerwidth 加上padding
console.log($("div").innerWidth());
// 加上border
console.log($("div").outerWidth());
//加上margin
console.log($("div").outerWidth(true));
})
</script>
</body>
</html>
运行结果