0022.浏览器底层渲染机制（堆栈内存和数据类型区别） · 原生js-2020

~~~ let a = 12; let b = a; b = 13; console.log(a); //12 let n = { name: '珠峰' }; let m = n; m.name = '培训'; console.log(n.name); //培训 ~~~ 1. ![](https://img.kancloud.cn/f8/10/f810a48569844ae395ecd073d34966d1_795x514.png) ![](https://img.kancloud.cn/2c/19/2c198991e2ad8040faa9cc23e9ee26a7_300x96.png) ![](https://img.kancloud.cn/a8/e7/a8e77e1b41f8b589433807a32a5da953_435x430.png) ![](https://img.kancloud.cn/a9/fb/a9fbc47a34c0f82be6f60db9701afe2a_957x530.png)