Number.NaN

概述

Number.NaN 表示“非数字”(Not-A-Number)。和 NaN 相同。

不必创建一个 Number 实例来访问该属性,使用 Number.NaN 来访问该静态属性。

Number.NaN 属性的属性特性:
writable false
enumerable false
configurable false

规范

Specification Status Comment
ECMAScript 1st Edition (ECMA-262) Standard Initial definition. Implemented in JavaScript 1.1.
ECMAScript 5.1 (ECMA-262)
Number.NaN
Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
Number.NaN
Standard  
ECMAScript Latest Draft (ECMA-262)
Number.NaN
Draft  

浏览器兼容性

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相关链接