46 lines
1.4 KiB
Markdown
46 lines
1.4 KiB
Markdown
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---
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title: Practice comparing different values
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localeTitle: 练习比较不同的值
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---
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## 练习比较不同的值
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### 问题解释:
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· _修改函数,使其仅在值**严格**相等时返回“Equal”。_
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#### 提示1
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请记住,在上一次练习中, _与等于运算符不同的是,它尝试将两个值转换为常见类型,而严格相等运算符不执行类型转换。_ [1](#cite1)
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> _现在尝试解决问题_
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## 扰流板警报!
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**提前解决!**
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## 基本代码解决方案
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```javascript
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// Setup
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function compareEquality(a, b) {
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if (a === b) { // Change this line
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return "Equal";
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}
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return "Not Equal";
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}
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// Change this value to test
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compareEquality(10, "10");
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```
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### 代码说明
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功能首先评估`if`条件`(a === b)`的计算结果为`true`同时考虑类型和值。如果是,则返回大括号之间的语句(“Equal”)。如果没有,则返回它们之外的下一个`return`语句(“Not equal”)。
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### 来源
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1 。 [“基本JavaScript:与严格平等运算符的比较”,JCC _算法和数据结构认证的_ fCC课程](https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-strict-equality-operator)
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### 资源
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* [“使用Equality Operators” - _MDN JavaScript参考_](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comparison_Operators#Using_the_Equality_Operators)
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