<!DOCTYPE html>
<html>
<head> <meta charset="utf-8"> <title>index3</title></head>
<body>
<script>
console.log('点滴记录');
// 传值 传地址
//基本量传值，对象传地址
//基本类型 引用类型
let a = 1;
let b = a;
console.log(a,b);
b = 3;
console.log(a,b);
let e = {name:'aaa'}
let f = e;
console.log(e,f);
f.name = 'bbb';
console.log(e,f);
</script>
</body>
</html>
