freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/rosetta-code/generate-lower-case-ascii-a...

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---
title: Generate lower case ASCII alphabet
id: 5a23c84252665b21eecc7e7a
challengeType: 5
videoUrl: ''
localeTitle: 生成小写ASCII字母表
---
## Description
<section id="description">编写一个函数以生成给定范围的小写ASCII字符数组。例如对于范围1到4函数应返回<code>[&#39;a&#39;,&#39;b&#39;,&#39;c&#39;,&#39;d&#39;]</code></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>lascii</code>应该是一个功能。
testString: 'assert(typeof lascii=="function","<code>lascii</code> should be a function.");'
- text: '<code>lascii(&quot;a&quot;,&quot;d&quot;)</code>应该返回一个数组。'
testString: 'assert(Array.isArray(lascii("a","d")),"<code>lascii("a","d")</code> should return an array.");'
- text: '“ <code>lascii(&quot;a&quot;,&quot;d&quot;)</code>应该返回<code>[ &quot;a&quot;, &quot;b&quot;, &quot;c&quot;, &quot;d&quot; ]</code> 。”'
testString: 'assert.deepEqual(lascii("a","d"),results[0],"<code>lascii("a","d")</code> should return <code>[ "a", "b", "c", "d" ]</code>.");'
- text: '“ <code>lascii(&quot;c&quot;,&quot;i&quot;)</code>应该返回<code>[ &quot;c&quot;, &quot;d&quot;, &quot;e&quot;, &quot;f&quot;, &quot;g&quot;, &quot;h&quot;, &quot;i&quot; ]</code> 。”'
testString: 'assert.deepEqual(lascii("c","i"),results[1],"<code>lascii("c","i")</code> should return <code>[ "c", "d", "e", "f", "g", "h", "i" ]</code>.");'
- text: '“ <code>lascii(&quot;m&quot;,&quot;q&quot;)</code>应该返回<code>[ &quot;m&quot;, &quot;n&quot;, &quot;o&quot;, &quot;p&quot;, &quot;q&quot; ]</code> 。”'
testString: 'assert.deepEqual(lascii("m","q"),results[2],"<code>lascii("m","q")</code> should return <code>[ "m", "n", "o", "p", "q" ]</code>.");'
- text: '“ <code>lascii(&quot;k&quot;,&quot;n&quot;)</code>应返回<code>[ &quot;k&quot;, &quot;l&quot;, &quot;m&quot;, &quot;n&quot; ]</code> 。”)'
testString: 'assert.deepEqual(lascii("k","n"),results[3],"<code>lascii("k","n")</code> should return <code>[ "k", "l", "m", "n" ]</code>.");'
- text: '“ <code>lascii(&quot;t&quot;,&quot;z&quot;)</code>应该返回<code>[ &quot;t&quot;, &quot;u&quot;, &quot;v&quot;, &quot;w&quot;, &quot;x&quot;, &quot;y&quot;, &quot;z&quot; ]</code> 。”'
testString: 'assert.deepEqual(lascii("t","z"),results[4],"<code>lascii("t","z")</code> should return <code>[ "t", "u", "v", "w", "x", "y", "z" ]</code>.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function lascii (cFrom, cTo) {
// Good luck!
}
```
</div>
### After Test
<div id='js-teardown'>
```js
console.info('after the test');
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>