源码实现

redux

1. createStore
2. combineReducer
3. applyMiddleware

redux-saga

实现 createSagaMiddleware

实现Effect

1. take

2. put

3. call

4. fork

5. select

6. cancel

7. all

8. delay

实现helper

1. takeEvery

promise

Promise A+

js

1. bind

2. call

3. deepClone

4. event 类

5. instanceOf

6. mergeSort 归并排序

7. new

8. quickSort 快排