Baseline Widely available
ãããè«çåæ¼ç®å (|
) ã¯ã両æ¹ã®ãªãã©ã³ãã®å¯¾å¿ãããããã®ã©ã¡ãã䏿¹ã 1
ã§ããä½ç½®ã®ãããã§ 1
ãè¿ãã¾ãã
const a = 5; // 00000000000000000000000000000101
const b = 3; // 00000000000000000000000000000011
console.log(a | b); // 00000000000000000000000000000111
// Expected output: 7
æ§æ 解説
ãªãã©ã³ã㯠32 ãããã®æ´æ°å¤ã«å¤æãããããã (ã¼ãã¾ã㯠1) ã®ä¸¦ã³ã«ãã£ã¦è¡¨ç¾ããã¾ãã32 ããããè¶ ããæ°å¤ã¯æä¸ä½ã®ããããç ´æ£ããã¾ããä¾ãã°ã次㮠32 ããããè¶ ããæ´æ°ã¯ 32 ãããæ´æ°ã«å¤æããã¾ãã
夿å: 11100110111110100000000000000110000000000001 夿å¾: 10100000000000000110000000000001
第 1 ãªãã©ã³ãã®åãããã¯ã第 2 ãªãã©ã³ãã®å¯¾å¿ãããããã¨çµã¿ã«ãªãã¾ãã第 1 ãããã¯ç¬¬ 1 ãããã¸ã第 2 ãããã¯ç¬¬ 2 ãããã¸ãã¨ããå ·åã«ã§ãã
ãã®æ¼ç®åã¯åãããã®çµã¿åããã«é©ç¨ãããçµæã¯ãããåä½ã§æ§ç¯ããã¾ãã
OR æ¼ç®ã®ççå¤è¡¨ã¯æ¬¡ã®ããã«ãªãã¾ãã
a b a OR b 0 0 0 0 1 1 1 0 1 1 1 1. 9 (10 鲿°) = 00000000000000000000000000001001 (2 鲿°)
14 (10 鲿°) = 00000000000000000000000000001110 (2 鲿°)
--------------------------------
14 | 9 (10 鲿°) = 00000000000000000000000000001111 (2 鲿°) = 15 (10 鲿°)
ããæ° x
㨠0
ã®ãããè«çå㯠x
ã«ãªãã¾ãã
// 9 (00000000000000000000000000001001)
// 14 (00000000000000000000000000001110)
14 | 9;
// 15 (00000000000000000000000000001111)
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