ã‚ã¾ããŸæ—¥è¨˜ - JavaScriptã§ã‚¢ã‚¹ãƒšã‚¯ãƒˆæŒ‡å‘JavaScriptã§ã‚ªãƒ–ジェクトã«ã‚¢ã‚¹ãƒšã‚¯ãƒˆã‚’é©ç”¨ã™ã‚‹ã‚³ãƒ¼ãƒ‰ã‚’書ã„ã¦ã¿ãŸã€‚ アスペクトã¯å˜ãªã‚‹é–¢æ•°ã¨ã—ã¦æ›¸ãã¾ã™ã€‚ JavaScriptã§ã‚¢ã‚¹ãƒšã‚¯ãƒˆæŒ‡å‘ã‚„ã£ã¦ã‚‚ã‚ã‚“ã¾ã‚ŠãŠã„ã—ã„ã¨ã“ã‚ã¯ãªã„ã¨æ€ã£ã¦ãŸã‘ã©ãã‚Œãªã‚Šã«ä½¿ãˆã‚‹ã€‚ Dateオブジェクトã«ã‚¢ã‚¹ãƒšã‚¯ãƒˆã‚’é©ç”¨ã™ã‚‹ãƒ†ã‚¹ãƒˆã‚±ãƒ¼ã‚¹ã€‚ function test_Object_Aspect_around() { var d1 = new Date("2006/09/16"); var status = null; var aspect = function(invocation){ var oldValue = invocation.target.getFullYear(); var result = invocation.proceed(); status = (oldValue == invocation.target.getFullYea
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