js快速将一个数组根据类型分为多个数组

```javascript
 const arr = [
        { id: "3698A7D5", name: "a", type: "0" },
        { id: "4C418642", name: "b", type: "0" },
        { id: "1FAE713D", name: "a", type: "1" },
        { id: "8FF6A9EC", name: "b", type: "1" },
        { id: "B30FE5B4", name: "c", type: "1" },
        { id: "4619E1B5", name: "d", type: "1" },
        { id: "6082DF1C", name: "e", type: "1" },
        { id: "6D81AC67", name: "a", type: "2" },
        { id: "76A47634", name: "b", type: "2" },
        { id: "95523AEB", name: "a", type: "3" }]

 arr.reduce((prev, cur) => {
        let type = cur['type'];
        if (Object.keys(prev).includes(type)) {
            prev[type].push(cur)
        } else {
            prev[type] = [];
            prev[type].push(cur);
        }
        return prev
    }, {})

arr.reduce((ret, item) => ({...ret,  [item.type]: ret[item.type] === undefined ? [item] : [...ret[item.type], item], }),{});
```javascript