2019-05-06 11:31:26 +00:00
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---
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id: bd7158d8c443edefaeb5bd0f
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challengeType: 4
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2020-09-17 16:11:18 +00:00
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forumTopicId: 301506
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2020-10-01 15:54:21 +00:00
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title: 文件元数据
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2019-05-06 11:31:26 +00:00
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---
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## Description
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2020-09-17 16:11:18 +00:00
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<section id='description'>
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构建一个功能类似于 <a href='https://purple-paladin.glitch.me/' target='_blank'>https://purple-paladin.glitch.me/</a> 的 JavaScript 全栈应用。
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在开发这个项目时,我们推荐你在 <a href='https://glitch.com/'>Glitch</a> 上编码。编码完成之后,你可以把应用主页的链接复制到屏幕的输入框中,测试你的代码是否能通过项目需求。当然你也可以基于其他的平台来完成自己的项目,只要提供一个公开的主页便于我们测试就行。
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参考示例:你可以通过 <a href='https://glitch.com/#!/import/github/freeCodeCamp/boilerplate-project-filemetadata/'>这个链接</a> 访问在 Glitch 上的项目,或者从 GitHub 上 clone <a href='https://github.com/freeCodeCamp/boilerplate-project-filemetadata/'>这个仓库的代码</a>。如果你使用 Glitch,请记住将项目链接保存到妥当的地方。
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2019-05-06 11:31:26 +00:00
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</section>
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## Instructions
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2020-09-17 16:11:18 +00:00
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<section id='instructions'>
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2019-05-06 11:31:26 +00:00
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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2020-09-17 16:11:18 +00:00
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- text: 我可以提交包含文件上传的 FormData 对象。
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testString: ''
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2020-09-17 16:11:18 +00:00
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- text: 当我提交某些内容时,我将在 JSON 响应中收到以 bytes(字节)为单位的文件大小。
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testString: ''
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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</section>
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## Solution
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<section id='solution'>
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```js
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/**
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Backend challenges don't need solutions,
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because they would need to be tested against a full working project.
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Please check our contributing guidelines to learn more.
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*/
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2019-05-06 11:31:26 +00:00
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```
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2020-08-13 15:24:35 +00:00
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2020-09-17 16:11:18 +00:00
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</section>
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