js动态获取对象值[对象名]
[] 中括号可以用来取对象
例如:
obj[name]
取的是obj对象中的name值
[pointData]
取的是当前作用域内的pointData对象
例子:
const pointHandelChange = (e) => {
console.log(e.target);
const { name, value } = e.target;
// let clonePoint = _.cloneDeep(point);
let newPoint = { ...[_.cloneDeep(point)], [name]: value };
};