1、将离散的参数转成数组

2、将数组拆成单个离散的值

https://blog.csdn.net/qq_30100043/article/details/53391308

箭头函数写法

函数名 -> 参数 -> 箭头 -> 返回值

获取数组的key value   entries返回二位数组 数组里面对应key value

https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Object/entries

const obj = { foo: 'bar', baz: 42 };

console.log(Object.entries(obj)); // [ ['foo', 'bar'], ['baz', 42] ]