54 lines
1.8 KiB
Markdown
54 lines
1.8 KiB
Markdown
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---
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id: 587d7b84367417b2b2512b36
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title: 'Catch Unclosed Parentheses, Brackets, Braces and Quotes'
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challengeType: 1
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videoUrl: ''
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localeTitle: 抓住未封闭的圆括号，括号，括号和引号
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---
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## Description
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<section id="description">要注意的另一个语法错误是所有左括号，括号，花括号和引号都有一个结束对。当您编辑现有代码并使用其中一种类型插入项目时，会忘记忘记一件事。此外，在将代码块嵌套到其他代码块时要小心，例如将回调函数作为参数添加到方法中。避免这种错误的一种方法是，只要输入开头字符，立即包括结束匹配，然后将光标移回它们之间并继续编码。幸运的是，大多数现代代码编辑器会自动生成对的后半部分。 </section>
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## Instructions
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<section id="instructions">修复代码中的两对错误。 </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: 您的代码应该修复数组中缺少的部分。
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testString: 'assert(code.match(/myArray\s*?=\s*?\[\s*?1\s*?,\s*?2\s*?,\s*?3\s*?\];/g), "Your code should fix the missing piece of the array.");'
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- text: 您的代码应该修复<code>.reduce()</code>方法的缺失部分。控制台输出应显示“数组值的总和为：6”。
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testString: 'assert(arraySum === 6, "Your code should fix the missing piece of the <code>.reduce()</code> method. The console output should show that "Sum of array values is: 6".");'
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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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```js
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let myArray = [1, 2, 3;
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let arraySum = myArray.reduce((previous, current => previous + current);
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console.log(`Sum of array values is: ${arraySum}`);
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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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