JavaScript NaN 属性
- Previous page isNaN()
- Next page Number()
- Go back to the previous level JavaScript global reference manual
定义和用法
NaN 属性表示非数字值（"Not-a-Number"）。此属性指示值不是合法数字。
NaN 属性与 Number.Nan 属性相同。
提示：请使用 isNaN() 函数检查值是否为 NaN 值。
语法
Number.NaN
Browser support
| Properties | Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|---|
| NaN | Support | Support | Support | Support | Support |
Technical details
| Return value: | NaN |
|---|---|
| JavaScript version: | ECMAScript 1 |
- Previous page isNaN()
- Next page Number()
- Go back to the previous level JavaScript global reference manual
