Function groupBy

groupBy<T>(arr: T[], groupKey: Exclude<keyof T>): GroupByReturn<T>
根据属性名对参数一数组进行分组
Type Parameters
- T
Parameters
- arr: T[]
- groupKey: Exclude<keyof T>
Returns GroupByReturn<T>
- Defined in src/array.ts:18
groupBy<T>(
arr: T[],
groupKey: (ele: T, index: number) => string,
): GroupByReturn<T>
根据参数二的函数返回的值对参数一数组进行分组
Type Parameters
- T
Parameters
- arr: T[]
- groupKey: (ele: T, index: number) => string
Returns GroupByReturn<T>
- Defined in src/array.ts:24