```javascript
let key=e.currentTarget.dataset.prop,
this.newobj.key: e.detai
//或是
this.newobj.[e.currentTarget.dataset.prop]: e.detai
```l
定义newobj:{}
这一段他会在冒号里面报错,newobj是个JSON,怎么改?
```javascript
let key=e.currentTarget.dataset.prop,
this.newobj.key: e.detai
//或是
this.newobj.[e.currentTarget.dataset.prop]: e.detai
```l
定义newobj:{}
这一段他会在冒号里面报错,newobj是个JSON,怎么改?
this.newobj.key改成this.newobj[ key ]
this.newobj.[e.currentTarget.dataset.prop]把newobj后边的点去掉