Baseline Widely available
Math.LN2
ã¯éçãã¼ã¿ããããã£ã§ã 2 ã®èªç¶å¯¾æ°ãããã 0.693 ã表ãã¾ãã
function getNatLog2() {
return Math.LN2;
}
console.log(getNatLog2());
// Expected output: 0.6931471805599453
å¤ ð¼ððð.ð»ð½ð¸ = ln ( 2 ) â 0.693 \mathtt{Math.LN2} = \ln(2) \approx 0.693 æ¸è¾¼å¯è½ ä¸å¯ åæå¯è½ ä¸å¯ è¨å®å¯è½ ä¸å¯ 解説
LN2
㯠Math
ãªãã¸ã§ã¯ãã®éçããããã£ãªã®ã§ã Math
ãªãã¸ã§ã¯ããçæãã¦ããããã£ã¨ãã¦ä½¿ç¨ããã®ã§ã¯ãªãã常㫠Math.LN2
ã¨ãã¦ä½¿ç¨ããããã«ãã¦ãã ãã (Math
ã¯ã³ã³ã¹ãã©ã¯ã¿ã¼ã§ã¯ããã¾ãã)ã
以ä¸ã®é¢æ°ã¯ã2 ã®èªç¶å¯¾æ°ãè¿ãã¾ãã
function getNatLog2() {
return Math.LN2;
}
getNatLog2(); // 0.6931471805599453
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