28 lines
561 B
Markdown
28 lines
561 B
Markdown
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---
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title: Adding a Default Option in Switch Statements
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localeTitle: 在交换机语句中添加默认选项
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---
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# 在交换机语句中添加默认选项
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* 添加默认选项可确保在您的变量与任何选项都不匹配的情况下，将使用默认选项。
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## 解：
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```javascript
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function switchOfStuff(val) {
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var answer = "";
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switch(val){
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case 'a': answer = 'apple';
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break;
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case 'b': answer = 'bird';
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break;
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case 'c': answer = 'cat';
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break;
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default: answer = 'stuff';
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}
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return answer;
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}
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```
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