chore(learn): Applied MDX format to Chinese curriculum files (#40462)
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Randell Dawson
GitHub
@ -1,80 +1,160 @@
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---
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id: a56138aff60341a09ed6c480
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title: 库存更新
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challengeType: 5
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videoUrl: ''
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title: 库存更新
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---
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## Description
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<section id="description">比较并更新存储在2D阵列中的库存与新交付的第二个2D阵列。更新当前现有库存物料数量（在<code>arr1</code> ）。如果找不到商品，请将新商品和数量添加到库存数组中。返回的库存数组应按项目的字母顺序排列。如果卡住，请记得使用<a href="https://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck-coding/19514" target="_blank">Read-Search-Ask</a> 。尝试配对程序。编写自己的代码。 </section>
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# --description--
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## Instructions
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<section id="instructions">
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</section>
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比较并更新存储在2D阵列中的库存与新交付的第二个2D阵列。更新当前现有库存物料数量（在`arr1` ）。如果找不到商品，请将新商品和数量添加到库存数组中。返回的库存数组应按项目的字母顺序排列。如果卡住，请记得使用[Read-Search-Ask](https://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck-coding/19514) 。尝试配对程序。编写自己的代码。
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## Tests
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<section id='tests'>
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# --hints--
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```yml
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tests:
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- text: 函数<code>updateInventory</code>应该返回一个数组。
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testString: assert.isArray(updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]]));
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- text: <code>updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])</code>应该返回一个长度为6的数组。
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testString: assert.equal(updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]]).length, 6);
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- text: <code>updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])</code>应返回<code>[[88, "Bowling Ball"], [2, "Dirty Sock"], [3, "Hair Pin"], [3, "Half-Eaten Apple"], [5, "Microphone"], [7, "Toothpaste"]]</code> 。
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testString: assert.deepEqual(updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]]), [[88, "Bowling Ball"], [2, "Dirty Sock"], [3, "Hair Pin"], [3, "Half-Eaten Apple"], [5, "Microphone"], [7, "Toothpaste"]]);
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- text: <code>updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [])</code>应该返回<code>[[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]]</code> 。
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testString: assert.deepEqual(updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], []), [[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]]);
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- text: <code>updateInventory([], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])</code>应该返回<code>[[67, "Bowling Ball"], [2, "Hair Pin"], [3, "Half-Eaten Apple"], [7, "Toothpaste"]]</code> 。
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testString: assert.deepEqual(updateInventory([], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]]), [[67, "Bowling Ball"], [2, "Hair Pin"], [3, "Half-Eaten Apple"], [7, "Toothpaste"]]);
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- text: <code>updateInventory([[0, "Bowling Ball"], [0, "Dirty Sock"], [0, "Hair Pin"], [0, "Microphone"]], [[1, "Hair Pin"], [1, "Half-Eaten Apple"], [1, "Bowling Ball"], [1, "Toothpaste"]])</code>应返回<code>[[1, "Bowling Ball"], [0, "Dirty Sock"], [1, "Hair Pin"], [1, "Half-Eaten Apple"], [0, "Microphone"], [1, "Toothpaste"]]</code> 。
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testString: assert.deepEqual(updateInventory([[0, "Bowling Ball"], [0, "Dirty Sock"], [0, "Hair Pin"], [0, "Microphone"]], [[1, "Hair Pin"], [1, "Half-Eaten Apple"], [1, "Bowling Ball"], [1, "Toothpaste"]]), [[1, "Bowling Ball"], [0, "Dirty Sock"], [1, "Hair Pin"], [1, "Half-Eaten Apple"], [0, "Microphone"], [1, "Toothpaste"]]);
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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='js-seed'>
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函数`updateInventory`应该返回一个数组。
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```js
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function updateInventory(arr1, arr2) {
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// All inventory must be accounted for or you're fired!
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return arr1;
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}
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// Example inventory lists
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var curInv = [
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[21, "Bowling Ball"],
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[2, "Dirty Sock"],
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[1, "Hair Pin"],
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[5, "Microphone"]
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];
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var newInv = [
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[2, "Hair Pin"],
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[3, "Half-Eaten Apple"],
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[67, "Bowling Ball"],
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[7, "Toothpaste"]
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];
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updateInventory(curInv, newInv);
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assert.isArray(
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updateInventory(
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[
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[21, 'Bowling Ball'],
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[2, 'Dirty Sock'],
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[1, 'Hair Pin'],
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[5, 'Microphone']
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],
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[
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[2, 'Hair Pin'],
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[3, 'Half-Eaten Apple'],
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[67, 'Bowling Ball'],
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[7, 'Toothpaste']
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]
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)
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);
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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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`updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])`应该返回一个长度为6的数组。
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```js
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// solution required
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assert.equal(
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updateInventory(
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[
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[21, 'Bowling Ball'],
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[2, 'Dirty Sock'],
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[1, 'Hair Pin'],
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[5, 'Microphone']
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],
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[
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[2, 'Hair Pin'],
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[3, 'Half-Eaten Apple'],
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[67, 'Bowling Ball'],
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[7, 'Toothpaste']
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]
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).length,
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6
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);
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```
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/section>
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`updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])`应返回`[[88, "Bowling Ball"], [2, "Dirty Sock"], [3, "Hair Pin"], [3, "Half-Eaten Apple"], [5, "Microphone"], [7, "Toothpaste"]]` 。
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```js
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assert.deepEqual(
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updateInventory(
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[
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[21, 'Bowling Ball'],
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[2, 'Dirty Sock'],
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[1, 'Hair Pin'],
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[5, 'Microphone']
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],
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[
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[2, 'Hair Pin'],
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[3, 'Half-Eaten Apple'],
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[67, 'Bowling Ball'],
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[7, 'Toothpaste']
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]
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),
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[
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[88, 'Bowling Ball'],
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[2, 'Dirty Sock'],
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[3, 'Hair Pin'],
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[3, 'Half-Eaten Apple'],
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[5, 'Microphone'],
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[7, 'Toothpaste']
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]
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);
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```
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`updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [])`应该返回`[[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]]` 。
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```js
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assert.deepEqual(
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updateInventory(
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[
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[21, 'Bowling Ball'],
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[2, 'Dirty Sock'],
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[1, 'Hair Pin'],
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[5, 'Microphone']
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],
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[]
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),
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[
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[21, 'Bowling Ball'],
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[2, 'Dirty Sock'],
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[1, 'Hair Pin'],
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[5, 'Microphone']
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]
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);
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```
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`updateInventory([], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])`应该返回`[[67, "Bowling Ball"], [2, "Hair Pin"], [3, "Half-Eaten Apple"], [7, "Toothpaste"]]` 。
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```js
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assert.deepEqual(
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updateInventory(
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[],
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[
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[2, 'Hair Pin'],
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[3, 'Half-Eaten Apple'],
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[67, 'Bowling Ball'],
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[7, 'Toothpaste']
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]
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),
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[
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[67, 'Bowling Ball'],
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[2, 'Hair Pin'],
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[3, 'Half-Eaten Apple'],
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[7, 'Toothpaste']
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]
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);
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```
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`updateInventory([[0, "Bowling Ball"], [0, "Dirty Sock"], [0, "Hair Pin"], [0, "Microphone"]], [[1, "Hair Pin"], [1, "Half-Eaten Apple"], [1, "Bowling Ball"], [1, "Toothpaste"]])`应返回`[[1, "Bowling Ball"], [0, "Dirty Sock"], [1, "Hair Pin"], [1, "Half-Eaten Apple"], [0, "Microphone"], [1, "Toothpaste"]]` 。
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```js
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assert.deepEqual(
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updateInventory(
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[
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[0, 'Bowling Ball'],
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[0, 'Dirty Sock'],
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[0, 'Hair Pin'],
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[0, 'Microphone']
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],
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[
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[1, 'Hair Pin'],
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[1, 'Half-Eaten Apple'],
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[1, 'Bowling Ball'],
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[1, 'Toothpaste']
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]
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),
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[
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[1, 'Bowling Ball'],
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[0, 'Dirty Sock'],
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[1, 'Hair Pin'],
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[1, 'Half-Eaten Apple'],
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[0, 'Microphone'],
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[1, 'Toothpaste']
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]
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);
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```
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# --solutions--
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Reference in New Issue
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