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Showing content from https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Math/asinh below:

Math.asinh() - JavaScript | MDN

Math.asinh()

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Math.asinh() 返回一个数值的反双曲正弦值，即：

Math.asinh ( x ) = arsinh ( x ) = the unique y such that sinh ( y ) = x \mathtt{\operatorname{Math.asinh}(x)} = \operatorname{arsinh}(x) = \text{ the unique } ; y ; \text{such that} ; \sinh(y) = x 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 参数 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() 
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
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