Math.LN10

概述

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 false
enumerable false
configurable false

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

例子: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

规范版本 规范状态 注解
ECMAScript 1st Edition. Implemented in JavaScript 1.0 Standard Initial definition.
ECMAScript 5.1 (ECMA-262)
Math.LN10
Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
Math.LN10
Standard  

浏览器兼容性

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Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
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相关链接

  • The Math object it belongs to.