Math.LN10

Math.LN10

Math.LN10属性表示 10 的自然对数,约为 2.302:

Math.LN10=ln(10)≈2.302\mathtt{\mi{Math.LN10}} = \ln(10) \approx 2.302

| Math.LN10属性的属性特性 |

|:----|

| Writable | no |

| Enumerable | no |

| Configurable | no |

描述

由于LN10Math 的静态属性,所以应该像这样使用:Math.LN10,而不是作为你创建的 Math 实例的属性(Math 不是构造函数)。

示例

使用Math.LN10

下面的函数返回 10 的自然对数:

function getNatLog10() { return Math.LN10; } getNatLog10( // 2.302585092994046

规范

SpecificationStatusComment
ECMAScript 1st Edition (ECMA-262)StandardInitial definition. Implemented in JavaScript 1.0.
ECMAScript 5.1 (ECMA-262)The definition of 'Math.LN10' in that specification.Standard
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'Math.LN10' in that specification.Standard
ECMAScript Latest Draft (ECMA-262)The definition of 'Math.LN10' in that specification.Draft

浏览器兼容性

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