Deferredãƒã‚§ãƒ¼ãƒ³ã€éžåŒæœŸå‡¦ç†ã®é€æ¬¡å®Ÿè¡Œ - 実用JavaScript MochiKit.Async.Deferredã¯ã€ã€Œç¾æ™‚点ã§ã¯ã¾ãŸåˆ©ç”¨ã§ããªã„値ã€ã‚’扱ã†ãŸã‚ã®ã‚¯ãƒ©ã‚¹ã§ã™ã€‚ 以下ã®ã‚ˆã†ã«ã€ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã‚’並ã¹ã€ã‚¤ãƒ™ãƒ³ãƒˆã‚’発ç«ã•ã›ã‚‹ã¨ã€å„々ã®è¿”り値ãŒæ¬¡ã®ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã¸æ¸¡ã•ã‚Œå®Ÿè¡Œã•ã‚Œã¦ã„ãã¾ã™ã€‚ function increment(value){ alert(value); return value+1; } var d = new Deferred(); d.addCallback(increment); // alert(1) d.addCallback(increment); // alert(2) d.addCallback(increment); // alert(3) d.callback(1); ã“ã®æ™‚ã€ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãƒã‚§ãƒ¼ãƒ³ã‚’å½¢æˆã—ã¦ã„ã¾ã™ã€‚(本当ã¯ã‚¨ãƒ©ãƒ¼ãƒãƒƒã‚¯ã‚‚åˆã‚ã›ã¦ä¸€ã¤ã®ãƒã‚§ãƒ¼ãƒ³ã‚’å½¢æˆã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€
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