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leviding merged 1 commit into from
Mar 15, 2019
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Update article.md #279

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2 changes: 1 addition & 1 deletion 1-js/02-first-steps/07-operators/article.md
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Expand Up @@ -127,7 +127,7 @@ alert( +apples + +oranges ); // 5

## 运算符优先级

如果一个表达式拥有操作一个运算符，执行的顺序由 **优先级** 决定。换句话说，在所有运算符中隐含着优先级顺序。
如果一个表达式拥有超过一个运算符，执行的顺序由 **优先级** 决定。换句话说，在所有运算符中隐含着优先级顺序。

从小学开始，我们知道在表达式 `1 + 2 * 2` 中，乘法先于加法计算。这就是一个优先级问题。乘法比加法拥有 **更高的优先级**。

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