freeCodeCamp/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/binary-agents.md

---
id: a8d97bd4c764e91f9d2bda01
title: 翻译二进制字符串
challengeType: 5
forumTopicId: 14273
dashedName: binary-agents
---

# --description--

请实现一个函数，把传入的二进制字符串转换成英文句子。

二进制字符串会以空格分隔。

# --hints--

`binaryAgent('01000001 01110010 01100101 01101110 00100111 01110100 00100000 01100010 01101111 01101110 01100110 01101001 01110010 01100101 01110011 00100000 01100110 01110101 01101110 00100001 00111111')` 应返回 "Aren't bonfires fun!?"。

```js
assert.deepEqual(
  binaryAgent(
    '01000001 01110010 01100101 01101110 00100111 01110100 00100000 01100010 01101111 01101110 01100110 01101001 01110010 01100101 01110011 00100000 01100110 01110101 01101110 00100001 00111111'
  ),
  "Aren't bonfires fun!?"
);
```

`binaryAgent('01001001 00100000 01101100 01101111 01110110 01100101 00100000 01000110 01110010 01100101 01100101 01000011 01101111 01100100 01100101 01000011 01100001 01101101 01110000 00100001')` 应返回 "I love FreeCodeCamp!"。

```js
assert.deepEqual(
  binaryAgent(
    '01001001 00100000 01101100 01101111 01110110 01100101 00100000 01000110 01110010 01100101 01100101 01000011 01101111 01100100 01100101 01000011 01100001 01101101 01110000 00100001'
  ),
  'I love FreeCodeCamp!'
);
```

# --seed--

## --seed-contents--

```js
function binaryAgent(str) {
  return str;
}

binaryAgent("01000001 01110010 01100101 01101110 00100111 01110100 00100000 01100010 01101111 01101110 01100110 01101001 01110010 01100101 01110011 00100000 01100110 01110101 01101110 00100001 00111111");
```

# --solutions--

```js
function binaryAgent(str) {
  return str.split(' ').map(function(s) { return parseInt(s, 2); }).map(function(b) { return String.fromCharCode(b);}).join('');
}
```