Baseline Widely available
Math.acosh()
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console.log(Math.acosh(0.999999999999));
// é æè¼¸åºï¼NaN
console.log(Math.acosh(1));
// é æè¼¸åºï¼0
console.log(Math.acosh(2));
// é æè¼¸åºï¼1.3169578969248166
console.log(Math.acosh(2.5));
// é æè¼¸åºï¼1.566799236972411
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å°æ¼ 1ï¼ååå³ NaN
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ç±æ¼ acosh()
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Math.acosh(0); // NaN
Math.acosh(1); // 0
Math.acosh(2); // 1.3169578969248166
Math.acosh(Infinity); // Infinity
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