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[zh-TW]: create Math.LN10 #25023

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Dec 18, 2024
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[zh-TW]: create Math.LN10 #25023

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Dr-XYZ Dec 12, 2024
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Dr-XYZ Dec 18, 2024
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52 changes: 52 additions & 0 deletions files/zh-tw/web/javascript/reference/global_objects/math/ln10/index.md
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---
title: Math.LN10
slug: Web/JavaScript/Reference/Global_Objects/Math/LN10
l10n:
sourceCommit: 2ec170b6264d51a15be498ac99b8a30b3dadec15
---

{{JSRef}}

**`Math.LN10`** 靜態數據屬性表示 10 的自然對數值，約為 2.303。

{{EmbedInteractiveExample("pages/js/math-ln10.html", "shorter")}}

## 值

<math display="block">
<semantics><mrow><mi>𝙼𝚊𝚝𝚑.𝙻𝙽𝟷𝟶</mi><mo>=</mo><mo lspace="0em" rspace="0em">ln</mo><mo stretchy="false">(</mo><mn>10</mn><mo stretchy="false">)</mo><mo>≈</mo><mn>2.303</mn></mrow><annotation encoding="TeX">\mathtt{Math.LN10} = \ln(10) \approx 2.303</annotation></semantics>
</math>

{{js_property_attributes(0, 0, 0)}}

## 描述

由於 `LN10` 是 `Math` 的靜態屬性，因此你應始終以 `Math.LN10` 的方式使用，而非作為某個 `Math` 物件的屬性（`Math` 並不是建構子）。

## 範例

### 使用 Math.LN10

以下函式返回 10 的自然對數值：

```js
function getNatLog10() {
return Math.LN10;
}

getNatLog10(); // 2.302585092994046
```

## 規範

{{Specifications}}

## 瀏覽器相容性

{{Compat}}

## 參見

- {{jsxref("Math.exp()")}}
- {{jsxref("Math.log()")}}
- {{jsxref("Math.log10()")}}
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