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	`1`	`+Async 小测验`
	`2`	`+========`
	`3`	`+`
	`4`	`+Async Function 同样会有一些令人困惑的地方,我收集了一些,放在这里方便大家学习。`
	`5`	`+`
	`6`	`+1. 执行顺序`
	`7`	`+`
	`8`	`+> 来自 [Axel Rauschmayer](https://twitter.com/rauschma/status/1188927319685120001)`
	`9`	`+`
	`10`	`+下面两行代码的执行顺序一致么?不一致的话,差别在哪里?`
	`11`	`+`
	`12`	+```js
	`13`	`+/* 1 */ [one, two] = [await fn(1), await fn(2)];`
	`14`	`+/* 2 */ [one, two] = await Promise.all([fn(1), fn(2)]);`
	`15`	+```
	`16`	`+`
	`17`	`+答案:`
	`18`	`+`
	`19`	+不一致。(1) 是顺序执行,因为构建数组时,会先等待 `fn(1)`、`fn(2)` 执行完;(2) 是并发执行,`fn(2)` 会在 `fn(1)` 执行完但是没有返回结果时立即执行。
	`20`	`+`
	`21`	`+--------`
	`22`	`+`
	`23`	`+总结`
	`24`	`+--------`
	`25`	`+`
	`26`	`+其实说起来是 Async 问题,其实都是语法问题。`

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`12`	`12`	`* [Promise 进阶](02-04-promise-advanced.md)`
`13`	`13`	`* [Async Functions 方案](03-async-function.md)`
`14`	`14`	`* [Async Functions VS Promise](03-1-async-function-vs-promise.md)`
	`15`	`+ * [Async 小测验](03-2-async-test.md)`
`15`	`16`	`* [一起实战吧](04-lets-do-it.md)`
`16`	`17`	`* [降级](04-1-downgrade.md)`
`17`	`18`	`* [小程序](04-2-xiaochengxu.md)`
`@@ -23,4 +24,4 @@`
`23`	`24`
`24`	`25`	`* [反馈意见](https://github.com/meathill/javascript-async-tutorial/issues)`
`25`	`26`	`* [更新记录](CHANGELOG.md)`
`26`		`-* [待增补内容](TODO.md)`
	`27`	`+* [待增补内容](TODO.md)`

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`2`	`2`	`========`
`3`	`3`
`4`	`4`	`这里主要放日常看到,但暂时写不进去的内容。`
`5`		`-`
`6`		`-## Vue 2.4`
`7`		`-`
`8`		`-其[更新日志](https://github.com/vuejs/vue/releases/tag/v2.4.0)中写到:`
`9`		`-`
`10`		`-* Full SSR + async component support in core: SSR now supports rendering async components used anywhere and the client also supports async components during the hydration phase. This means async components / code-splitting now just works during SSR and is no longer limited at the route level.`
`11`		`-`
`12`		`-看看是不是合适加进去。`

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