13 lines
338 B
Markdown
13 lines
338 B
Markdown
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---
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title: Increment a Number with JavaScript
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localeTitle: 使用JavaScript增加数字
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---
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## 使用JavaScript增加数字
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您可以使用'++'增量运算符轻松地将（添加一个）增加到数字变量。例如：
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```
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var a = 6;
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a++; // Now, 'a' is equal to 7 -- post-fixing
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++a; // Now, 'a' is equal to 8 -- pre-fixing
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```
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