关于es6笔记

数据赋值

data:如图所示：
![这里写图片描述](https://img-blog.csdn.net/20180904174438450?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V0ZW1hbF9icmlnaHQ=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70)
const {
        contents,
        ...pageData
      } = data;
等价于
const contents=data.contents;
const pageData=data里面除了contents 剩下的变量组成的obj
console.log(contents)；
console.log({...pageData})；
![这里写图片描述](https://img-blog.csdn.net/20180904174100970?watermark/2/text/aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V0ZW1hbF9icmlnaHQ=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70)

字符串模板

addressRes={
province:'河南',
city:'商丘',
district:'柘城',
}
let address=`${addressRes.province}${addressRes.city}${addressRes.district}`
等价于
let address=addressRes.province+''+addressRes.city+''+addressRes.district;
console.log(address);//河南商丘柘城