19 lines
466 B
Markdown
19 lines
466 B
Markdown
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---
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title: Math PI
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localeTitle: 数学PI
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---
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## 数学PI
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`Math.PI`是Math对象的静态属性。它表示数学常数，定义为圆周长与直径的比值。它大约是3.14149，通常用希腊字母π表示。
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## 例子
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```js
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Math.PI \\ 3.141592653589793
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```
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#### 更多信息：
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[MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/PI)
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