12 lines
343 B
Markdown
12 lines
343 B
Markdown
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---
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title: Compound Assignment With Augmented Subtraction
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localeTitle: 具有增广减法的复合赋值
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---
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## 具有增广减法的复合赋值
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计算机从左到右阅读。因此，使用' - ='运算符意味着变量被右侧的数字减去，然后变量被赋值给差值。像这样：
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```
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var b = 10;
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b -= 4; // Now, 'b' is 6
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```
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