58 lines
1.6 KiB
Markdown
58 lines
1.6 KiB
Markdown
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---
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id: 5a24c314108439a4d403614e
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title: Define an Action Creator
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challengeType: 6
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isRequired: false
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videoUrl: ''
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localeTitle: 定义一个Action Creator
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---
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## Description
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<section id="description">创建操作后，下一步是将操作发送到Redux存储，以便它可以更新其状态。在Redux中，您可以定义动作创建器来完成此任务。动作创建者只是一个返回动作的JavaScript函数。换句话说，动作创建者创建表示动作事件的对象。 </section>
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## Instructions
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<section id="instructions">定义一个名为<code>actionCreator()</code>的函数，该函数在调用时返回<code>action</code>对象。 </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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- text: 函数<code>actionCreator</code>应该存在。
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testString: 'assert(typeof actionCreator === "function", "The function <code>actionCreator</code> should exist.");'
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- text: 运行<code>actionCreator</code>函数应该返回操作对象。
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testString: 'assert(typeof action === "object", "Running the <code>actionCreator</code> function should return the action object.");'
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- text: 返回的操作应具有值为<code>LOGIN</code>的键属性类型。
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testString: 'assert(action.type === "LOGIN", "The returned action should have a key property type with value <code>LOGIN</code>.");'
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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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<div id='jsx-seed'>
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```jsx
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const action = {
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type: 'LOGIN'
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}
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// Define an action creator here:
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```
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</div>
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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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// solution required
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```
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</section>
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