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Math.LN2

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨2015年7月⁩.

Math.LN2 は静的データプロパティで、 2 の自然対数、およそ 0.693 を表します。

試してみましょう

function getNatLog2() {
  return Math.LN2;
}
console.log(getNatLog2());
// 予想される結果: 0.6931471805599453

値

𝙼𝚊𝚝𝚑.𝙻𝙽𝟸 = ln (2) \approx 0.693

`Math.LN2` のプロパティ属性
書込可能	不可
列挙可能	不可
設定可能	不可

function getNatLog2() {
  return Math.LN2;
}
getNatLog2(); // 0.6931471805599453

仕様書

Specification
ECMAScript® 2026 Language Specification # sec-math.ln2

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This page was last modified on ⁨2025年10月2日⁩ by MDN contributors.

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Math.LN2

試してみましょう

値

解説

例

Math.LN2 の使用

仕様書

ブラウザーの互換性

関連情報

Help improve MDN