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å±±æ¬éã®éçºæ¥èª Kotlin/Swift/Flutter/JavaScript/TypeScript/PHPã§Windows/macOS/Android/iOS/Webã¢ããªãªã©ãä½ã£ã¦ã¾ã node.jsã®ãã¼ã¸ã§ã³8.5.0以éã§ã¯ããã¡ã¤ã«ãã³ãã¼ãã以ä¸ã®é¢æ°ã使ç¨ã§ãã¾ãã fs.copyFileSync(src, dest[, flags]) fs.copyFile(src, dest[, flags], callback) fs.copyFileSync(src, dest[, flags]) fs.copyFileSync()ã¯ãsrcãdestã«åæã³ãã¼ãã¾ãã srcã¯ã³ãã¼ãããã¡ã¤ã«ã®ãã¡ã¤ã«åã destã¯ã³ãã¼å ã®ãã¡ã¤ã«åã§ãã flagsã¯ãªãã·ã§ã³ã®å¼æ°ã§ãfs.constants.COPYFILE_EXCLãæå®ããã¨ãã³ãã¼å ã«ãã§ã«ãã¡ã¤ã«ãåå¨
JavaScriptã§ã¯ããªãã¸ã§ã¯ããæ ¼ç´ããã¦ããå¤æ°ãä»ã®å¤æ°ã«ã³ãã¼ããã¨ããã®ãªãã¸ã§ã¯ãã¸ã®åç §ãã³ãã¼ãããã ãã®ãããå ã¨ãªããªãã¸ã§ã¯ãã®å¤ãå¤æ´ããã¨ãã³ãã¼å ã®ãªãã¸ã§ã¯ãã«ãå¤æ´ãåæ ããã¦ãã¾ããéãç¶ãã let obj1 = {value:'hoge'}; let obj2 = obj1; obj1.value = 'fuga'; console.log(obj2); // { value: 'fuga' } ã ãES2015ã§è¿½å ãããObject.assign()ã使ãã¨ãåç §ã§ã¯ãªãå¤ãã³ãã¼ã§ããã å¤ãåãã ãã®å ¨ãå¥ã®ãªãã¸ã§ã¯ããªã®ã§ãä¸æ¹ã§è¡ã£ãå¤æ´ã®å½±é¿ã¯ãããä¸æ¹ã«ã¯åã°ãªãã let obj1 = {value: 'hoge'} let obj2 = Object.assign({}, obj1); console.log(obj2);
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