Math.asinh()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Math.asinh()
返回一个数值的反双曲正弦值,即:
尝试一下
console.log(Math.asinh(1));
// Expected output: 0.881373587019543
console.log(Math.asinh(0));
// Expected output: 0
console.log(Math.asinh(-1));
// Expected output: -0.881373587019543
console.log(Math.asinh(2));
// Expected output: 1.4436354751788103
语法
Math.asinh(x)
参数
x
-
一个数值。
返回值
返回指定数值的反双曲正弦值。
描述
由于 asinh()
是 Math
的静态方法,所以应该像这样使用:Math.asinh()
,而不是作为你创建的 Math
实例的方法(Math
不是一个构造函数)。
示例
使用 Math.asinh()
js
Math.asinh(-Infinity); // -Infinity
Math.asinh(-1); // -0.881373587019543
Math.asinh(-0); // -0
Math.asinh(0); // 0
Math.asinh(1); // 0.881373587019543
Math.asinh(Infinity); // Infinity
规范
Specification |
---|
ECMAScript® 2025 Language Specification # sec-math.asinh |
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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asinh |
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- Full support
- Full support
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