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Math.LOG2E

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.LOG2E は静的データプロパティで、2 を底とした e の対数、約 1.443 を表します。

試してみましょう

function getLog2e() {
  return Math.LOG2E;
}
console.log(getLog2e());
// 期待される出力: 1.4426950408889634

値

𝙼𝚊𝚝𝚑.𝙻𝙾𝙶𝟸𝙴 = {log}_{2} (e) \approx 1.443

`Math.LOG2E` 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 getLog2e() {
  return Math.LOG2E;
}
getLog2e(); // 1.4426950408889634

仕様書

Specification
ECMAScript® 2026 Language Specification # sec-math.log2e

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

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Math.LOG2E

試してみましょう

値

解説

例

Math.LOG2E の使用

仕様書

ブラウザーの互換性

関連情報

Help improve MDN