Object æ±æã¨ã¯ ç°¡åã«è¨ã㨠Object.prototype ãæ¡å¼µããã¨ãã«ããã¹ã¦ã® for in ã«å½±é¿ãä¸ãã¦ãã¾ã£ã¦ãããããªãã¨ãå°ããã¨ããåé¡ã§ããã DontEnum ã¨ããå é¨å±æ§ãã¹ã¯ãªããããä¸ããæ段ããªãããã«çºçããã Object.prototype.hoge = 'ã»ã'; for (var p in {}) alert(p); // hoge ã¨è¡¨ç¤ºããã ActionScript ã§ã¯ setPropertyIsEnumerable ã¨ããé¢æ°ã Object.prototype ã«å®£è¨ããã¦ããã ããã使ããã¨ã«ãã£ã¦ãå®å ¨ã«ãã¹ã¦ã®ãªãã¸ã§ã¯ãã«ã¡ã½ãããããããã£ã追å ãããã¨ãã§ããã ä¾ã㰠以ä¸ã®ã½ã¼ã¹ãã³ã³ãã¤ã«ãã㨠package { import flash.display.Sprite; import flash.te
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