beilo

```js Object.prototype.map = function (fn) { const res = {}; for (const key in this) { // 不加这句会把map添加进去 if (Object.hasOwnProperty.call(this, key)) { const value = this[key]; res[key] = fn(value, key,...

@g8up Thank you very much for your answer. The method of this article is correct But we hope that `autodll webpack plugin` can provide this function Or is it correct...

``` .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) ``` It is for the `viewModel ` to be able to use `junit4 ` directly in the `test module`, and try not to import `android modules`.

but, using `observeOn(AndroidSchedulers.mainThread())` in `Java` is wrong, and I think the switching thread does not have much to do with the `model`

System: OS: macOS 12.5.1 CPU: (8) x64 Intel(R) Core(TM) i5-8257U CPU @ 1.40GHz Memory: 35.77 MB / 16.00 GB Shell: 5.8.1 - /bin/zsh Browsers: Chrome: 118.0.5993.88 Safari: 15.6.1 Safari Technology...

> React18之后setState默认异步更新，可以使用flushSync开启同步更新。 ``` const [test1, setTest1] = useState({ message: 'Hello World' }) flushSync(() => { setTest1({ message: '你好啊', }) console.log(test1.message) // Hello World }) ``` 在 18 中hooks 好像全是异步的，哪怕是我这样处理，打印出来的还是 Hello...

使用react和 react-dom 是 18.2 能暂时解决这个问题。 并且如果使用 18.3 版本，控制台会有个 defaultProps 的警告。