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Javascriptã§ã„ã„æ„Ÿã˜ã«ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ã‚’ç¶™æ‰¿ã™ã‚‹ - ã²ã‚ˆã“3åˆ†07ç§’ã®ã¯ã¦ãªãƒ–ãƒã‚°
Javascriptã§ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ã‚’ç¶™æ‰¿ã™ã‚‹ã«ã¯ function newClass(){ superClass.apply(this, arguments); } newClass.prototype = new superClass(); // superClassã‚’ç¶™æ‰¿ var newObject = new newClass(); console.log(newObject instanceof superClass); // true ã“ã‚“ãªã‚³ãƒ¼ãƒ‰ã‚’æ›¸ã‘ã°ã„ã„ã‚ã‘ã ã‘ã©ã€ ã“ã‚Œã ã¨superClassã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ä½œã£ã¦ã„ã‚‹ã¨ã“ã‚ãŒã‚¹ãƒžãƒ¼ãƒˆã˜ã‚ƒãªã„ã€‚ newClass.prototype = superClass.prototype; // superClassã‚’ç¶™æ‰¿ ã“ã‚Œã ã¨ä½™è¨ˆãªã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¯ã¤ãã‚‰ãªã„ã‘ã©ã€ newClassã®prototypeã‚’æ‹¡å¼µã™ã‚‹ã¨superClas
monjudoh 2011/01/31
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monjudoh 2010/09/28
OOP

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function Child() { this.name = "child"; this.favorite = "popsicle"; } (function(methods) { methods.apply/*to*/(Child.prototype); }) (function() { this.jump = function() { alert("Jumps, jump, jumpoo!!"); }; this.sayOwnFavorite = function() { alert("I like "+this.favorite+"!"); }; }); ã“ã®æ–‡è„ˆãªã‚‰ apply ãŒã—ã£ãã‚Šãã‚‹ã¨ãŠã‚‚ã†ã€‚ ï¼œå‚è€ƒï¼ž http://d.hatena.ne.jp/iskwn/20091215/1260828978
monjudoh 2010/03/17
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OOP

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monjudoh 2010/03/15
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[JavaScript] prototypeã«ç›´æŽ¥ä»£å…¥ã—ã¡ã‚ƒã†ã®ã£ã¦ãƒ€ãƒ¡ã˜ã‚ƒãªã‹ã£ãŸã£ã‘ï¼Ÿ / LiosK-free Blog
2010-02-02 ã‚«ãƒ†ã‚´ãƒª: Client Side ã‚¿ã‚°: JavaScript ãƒˆãƒ©ãƒƒã‚¯ãƒãƒƒã‚¯ JavaScriptåŸºç¤Žæ–‡æ³•æœ€é€Ÿãƒžã‚¹ã‚¿ãƒ¼ - ãªã‚“ã¨ãªãæ—¥è¨˜ã¨ã„ã†è¨˜äº‹ãŒã¯ã¦ãƒ–ç•Œéšˆã§è©±é¡Œã«ãªã£ã¦ã„ãŸã®ã§ã€å¾’ç„¶ãªã‚‹ã¾ã¾ã«èªã‚“ã§ã¿ã¦å¿ƒã«æµ®ã‹ã‚“ã ã“ã¨ã‚’ãã“ã¯ã‹ã¨ãªãæ›¸ãã¤ã‘ã¦ã¿ã‚‹ã€‚ ã¾ãšã€ã©ã†ã§ã‚‚ã„ã„ç´°ã‹ã„ç‚¹ã«ã¤ã£ã“ã¿ã‚’å…¥ã‚Œã¦ãŠãã¨ã€ã€Œcallã¨applyã¯å¤–ã›ãªã„ã§ã—ã‚‡ï¼Ÿã€ã¨ã‹ã€Œundefinedã«é™ã‚‰ãšã€ã‹ãªã‚Šã®æ•°ã®å€¤ãŒã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã§ã¯ãªã„ã§ã™ã‚ˆ [æ³¨1]ã€ã¨ã‹ã€Œ"use strict";ã—ã¦ã‚‹ã¨hoge();ã®å½¢ã§å‘¼ã³å‡ºã•ã‚ŒãŸå ´åˆã¯thisã¯ window (ã‚°ãƒãƒ¼ãƒãƒ«ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ)ã«ãªã‚‰ãªã„ã‚‰ã—ã„ã§ã™ã‚ˆ[æ³¨2]ã€ã¨ã‹ã€Œfor inæ–‡ã§ã¯ã¾ã‚ŠãŒã¡ãªè½ã¨ã—ç©´ã£ã¦é…åˆ—èµ°æŸ»å‘¨ã‚Šã˜ã‚ƒãï¼Ÿã€ã¨ã‹ã„ã‚ã„ã‚ã‚ã‚‹ã‚“ã ã‘ã©ã€ã¾ã‚ã“ã®è¾ºã¯åˆ¥ã«ã©ã†ã§ã‚‚ã„ã„ã‚„ã€‚ æ°—ã«ãªã£ãŸã®ã¯ã€ã‚¯ãƒ©ã‚¹å®šç¾©ã®è§£èª¬ã®ã‚»ã‚¯ã‚·ãƒ§ãƒ³
monjudoh 2010/02/03
JavaScript

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prototype
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ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ— function Animal(){}; Animal.prototype = { sleep : function(){}, walk : function(){ alert('noshi, noshi') } }; function Human(){}; Human.prototype = new Animal(); new Human().walk(); // noshi, noshi ã‚‚ã£ã¨ã‚‚ãƒãƒ”ãƒ¥ãƒ©ã ã¨æ€ã‚ã‚Œã‚‹ã€‚ å¤‰åž‹ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ— Human.prototype.__proto__ = Animal.prototype; new Human().walk(); // noshi, noshi ã»ã¨ã‚“ã©ã®IEã‚’é™¤ãJavaScriptå‡¦ç†ç³»ã§å®Ÿè¡Œå¯èƒ½ã€‚è£ãƒ¯ã‚¶ã¡ã£ãã€‚ ã‚¨ã‚¯ã‚¹ãƒ†ãƒ³ãƒ‰ /** * extend function * @param {Object} s su
monjudoh 2008/04/08
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monjudoh 2008/03/27
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