<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script type="text/javascript">
var ren={name:"小明",sex:"男",age:40,height:1.69}
// 对象修改
ren["name"]="老六"
ren.sex="女"
// 对象删除
delete ren.height
delete ren["age"]
console.log(ren)
</script>
</head>
<body>
</body>
</html>