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monjudoh 2013/07/05
JavaScript

OOP

prototype
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JavaScriptã®ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ãƒã‚§ãƒ¼ãƒ³ã«ã¤ã„ã¦ç†è§£ã—ã‚ˆã†ã¨ã—ãŸã®ã ã‘ã©ã€prototypeã¨ã‹__proto__ã¨ã‹ã”ã¡ã‚ƒã”ã¡ã‚ƒã«ãªã£ã¦ã€è‰²ã‚“ãªãƒ–ãƒã‚°ã‚’èªã‚“ã§ã‚‚ãªã‹ãªã‹ç†è§£ã—ãã‚Œãªãã¦æ‚¶ã€…ã¨ã—ã¦ã„ãŸã®ã ãŒã€å›³ã‚’æ›¸ã„ãŸã‚‰ãƒ‘ãƒƒã¨ç†è§£ã§ããŸï¼ä»¥ä¸‹ã€æƒ…å ±ã‚½ãƒ¼ã‚¹ã¯ãªã‚‹ã¹ãECMAScriptä»•æ§˜æ›¸ï¼ˆ3rdï¼‰ã‚’å…ƒã«ã™ã‚‹ã‚ˆã†ã«ã—ã¦æ›¸ãã¾ã—ãŸ ãªãœåˆ†ã‹ã‚Šã¥ã‚‰ã„ã®ã‹ï¼Ÿ ãã‚‚ãã‚‚ã€ãªãœJavaScriptã®ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ãƒã‚§ãƒ¼ãƒ³ã¯è‡ªåˆ†ã«ã¨ã£ã¦ã“ã†ã‚‚åˆ†ã‹ã‚Šã¥ã‚‰ã‹ã£ãŸã®ã ã‚ã†ã‹ï¼Ÿè‡ªåˆ†ãªã‚Šã«åˆ†æžã—ã¦ã¿ã‚‹ã¨ã€ã¾ãšã€ã€Œä¼¼ã¦ã„ã‚‹ãŒé•ã†ç”¨èªžãŒæ²¢å±±ã‚ã‚‹ã€ã¨ã„ã†ç‚¹ãŒã‚ã‚‹ã€‚ã–ã£ã¨ã‚ã’ãŸã ã‘ã§ã‚‚ã€ã€Œprototypeã¨__proto__ã€ã€Œ__proto__ã¨[[Prototype]]ã€ã€ŒFunctionã¨Functionã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã€ãªã©ãŒã‚ã‚‹ã€‚ãã—ã¦æ¬¡ã«ã€ã€Œå…¥ã‚Šçµ„ã‚“ã æ§‹é€ ãŒå‹•çš„ã«å¤‰åŒ–ã™ã‚‹ã€ã¨ã„ã†ç‚¹ãŒã‚ã‚‹ã€‚ä¸Šè¨˜ã®ã‚ˆã†ã«ä¼¼ãŸã‚ˆã†
monjudoh 2013/02/21
JavaScript

prototype
ãƒªãƒ³ã‚¯
prototypeã‚’æ‹¡å¼µã™ã‚‹ã“ã¨ã§å¾—ã‚‰ã‚Œã‚‹ã‚‚ã®ã€‚prototypeæ‹¡å¼µæŒ‡å‘ã¸ã®ã‚¹ã‚¤ãƒƒãƒ - latest log
(Îµãƒ»â—‡ãƒ»)Ð· mofmof.js ã‚„æ–°ã—ã„ uupaa.js ã§ã¯ prototypeæ‹¡å¼µã‚’æ´»ç”¨ã—ã¦ã„ã¾ã™ (Îµãƒ»â—‡ãƒ»)Ð· é•·æ‰€ãŒã‚ã‹ã‚Šã¥ã‚‰ã„ã¿ãŸã„ãªã®ã§ã€è¨€ã„å‡ºã—ã£ãºã®ãƒœã‚¯ã®ä¸ã®äººãŒãƒ¡ãƒªãƒƒãƒˆã‚’åˆ—æŒ™ã—ã¦ã¿ã‚ˆãƒ¼ ã¨ã„ã†ã‚¨ãƒ³ãƒˆãƒªã§ã™ (Îµãƒ»â—‡ãƒ»)Ð· ã§ã‚‚ã€é•·æ–‡ã«ãªã‚Šãã†ãªã®ã§ã€æ€ã„ã¤ã„ãŸã‚‰ã¡ã‚‡ã£ã¨ãšã¤æ›¸ãè¶³ã—ã¦ã„ã£ã¦ã€å¾Œã§å†ç·¨ã™ã‚‹ã‚ˆãƒ¼ ã¨ã„ã†ãƒŽãƒªã§ã™ (Îµãƒ»â—‡ãƒ»)Ð· ã‚¿ã‚¤ãƒˆãƒ«ã‚‚é©å½“ã§ã™ ã‹ã‚ã„ã„åã«ã¯æ—…ã‚’ã•ã›ã‚‹ã‚ˆ ( HTMLElement#cut ) åãƒŽãƒ¼ãƒ‰(div)ã‚’è¦ªãƒŽãƒ¼ãƒ‰ã‹ã‚‰ãƒ‘ãƒ¼ã‚¸ã™ã‚‹å‡¦ç†ã‚’è€ƒãˆã¦ã¿ã¾ã—ã‚‡ã†ã€‚ ---âœ‚-------------------âœ‚--- if (div.parentNode) { div.parentNode.removeChild(div); // div.parentNode = null } ---âœ‚-------------------âœ‚---
monjudoh 2012/09/04
è¨€åŠã—ãŸ http://d.hatena.ne.jp/monjudoh/20120904/1346764216

JavaScript

prototype
ãƒªãƒ³ã‚¯
JavaScriptã§ã®built-in/DOM objectã®prototypeæ‹¡å¼µ - monjudohâ€™s diary
@rosylillyãŒæ°—ã«ã—ã¦ã„ãŸ ã®ã§ã¾ã¨ã‚ãŸã€‚ built-in/DOM objectã®prototypeæ‹¡å¼µã«ã‚ˆã‚‹å¼Šå®³ è¿½åŠ ã—ãŸãƒ—ãƒãƒ‘ãƒ†ã‚£/ãƒ¡ã‚½ãƒƒãƒ‰ãŒfor inã§åˆ—æŒ™ã•ã‚Œã‚‹ var obj = {a:1}; for (var i in obj) { console.log(i); } ã“ã†ã™ã‚‹ã¨aã ã‘å‡ºã‚‹ã¯ãšãŒã€ Object.prototype.b=function(){}; ã“ã†ã—ãŸå¾Œã ã¨a,bãŒå‡ºã¦ã—ã¾ã†ã£ã¦å¥´ã§ã™ãã€‚ ãã®ã¾ã¾ä»£å…¥ã—ãªã„ã§Object.defineProperty/definePropertiesã§enumerable:falseã®ãƒ—ãƒãƒ‘ãƒ†ã‚£ã¨ã—ã¦å®šç¾©ã™ã‚Œã°åˆ—æŒ™ã•ã‚Œãªããªã‚‹ã®ã§ç‰¹ã«å•é¡Œã‚ã‚Šã¾ã›ã‚“ã€‚ ä»Šå›žæŒ™ã’ã‚‹prototypeæ‹¡å¼µã®å¼Šå®³ã®å†…å”¯ä¸€ã“ã‚Œã ã‘ã¯ECMAScript5æ™‚ä»£ã«ãªã£ã¦è§£æ¶ˆã•ã‚Œã¾ã—ãŸã€‚å”¯ä¸€ã“ã‚Œã ã‘ã¯ã€‚ built-in/DOM object
monjudoh 2012/09/04
JavaScript

prototype

ã‚»ãƒ«ã‚¯ãƒž
ãƒªãƒ³ã‚¯
Prototypeæ‹¡å¼µã«ã¤ã„ã¦ - toqoz's Hakolog
ã“ã“ã§ã¯polyfillã§ã¯ãªã„ç‹¬è‡ªã®prototypeæ‹¡å¼µã®ã“ã¨ã‚’å–ã‚Šä¸Šã’ã‚‹ã€‚ AMDã®ModuleãŒä½¿ãˆã‚‹ç’°å¢ƒãŒãµãˆã¦ããªã‹ã§ã€JSã§ã‚‚ä»Šã‚ˆã‚Šå°ã•ãªãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’çµ„ã¿åˆã‚ã›ã¦ä½œã‚‹ã®æµè¡Œã‚‹ã€ã‹ã©ã†ã‹ã‚ã‹ã‚‰ãªã„ãŒã€å°‘ã—ã¯å¢—ãˆã‚‹ã¨æ€ã†ã‚“ã ã‘ã©ã€ãã‚“ã¨ãprototypeæ‹¡å¼µã•ã‚Œã¦ãŸå ´åˆåŽ„ä»‹ãªã“ã¨ã«ãªã‚Šãã†ãªæ°—ãŒã™ã‚‹ã€‚ ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ãªRailsã®ã‚ˆã†ãªãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ãªã‚‰è‰¯ã„ã‹ãªã£ã¦æ€ã£ãŸã‚Šã‚‚ã—ãŸã€‚ ãã†ã™ã‚‹ã¨ã€Railså†…ã§ä½¿ã†ã™ã¹ã¦ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒprototypeæ‹¡å¼µã—ã¦ã„ãªã„ã“ã¨ãŒã‚ã‹ã£ã¦ãªã„ã¨ã„ã‘ãªã„. ã©ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãªã‚‰ã—ã¦ã‚ˆãã¦ã€ã‚ˆããªã„ã¨ã‹ã€åˆ©ç”¨ã‚±ãƒ¼ã‚¹ã‚’ã©ã“ã¾ã§æƒ³å®šã§ãã‚‹ã‹ã¨ã‹ã‚„ã‚„ã“ã—ã„ã€‚ åºƒå‘Šã®JSãªã©ã‚‚å«ã‚ã‚‹ã¨ã€ã©ã“ã§ã‚³ãƒ³ãƒ•ãƒªã‚¯ãƒˆã™ã‚‹ã‹ä½œè€…ã«ä¿è¨¼ã•ã›ã‚‹ã®ã¯ã‹ãªã‚Šãã¤ã„. ã€Œ(è‘—åãªãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«)Aã¨ã¯ç«¶åˆã—ãªã„ã‚ˆã€ã¨ã„ã†ã“ã¨ã¯è¨€ãˆã¦ã‚‚ã€‚ ã§ã€æ€ã„ã¤ã„ãŸã®ã¯ã€(npmã‚’ä¾‹ã«ã‚ã’ã‚‹)
monjudoh 2012/07/06
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JavaScript

prototype
ãƒªãƒ³ã‚¯
ECMAScript 5
Luciano Costa, Agile Software Developer and Consultant at Monttez, 12 minutes ago ECMAScript 5 - Presentation Transcript ECMAScript 5 Damian Wielgosik varjs.comfront-trends.com @varjs Hey, what is that ECMAScript actually? letâ€™s create a simplest object ever var obj = {}; letâ€™s add a property to it var obj = { foo : 1}; letâ€™s read that property var obj = { foo : 1};obj.foo; // 1 - this is how we
monjudoh 2011/12/19
Object.create(null)ã§æœ¬å½“ã«ç©ºã®objectã‚’ä½œã‚‹ã“ã¨ãŒå‡ºæ¥ã‚‹è©±ã€‚

JavaScript

ECMAScript5

ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘

prototype
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prototype ã¨ __proto__ - ãƒ•ãƒªãƒ¼ãƒ•ã‚©ãƒ¼ãƒ ãƒ•ãƒªãƒ¼ã‚¯ã‚¢ã‚¦ãƒˆ
ç§»è»¢ã—ã¾ã—ãŸ http://please-sleep.cou929.nu/20100929.html
monjudoh 2011/06/03
JavaScript

prototype
ãƒªãƒ³ã‚¯
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
ç©ºã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã®prototypeã«superClass.prototypeã‚’ä»£å…¥â†’ç©ºã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã‚’newã—ã¦subClassã®prototypeã«ä»£å…¥ã€‚ã“ã‚Œãªã‚‰ã€superClassãŒç„¡å¼•æ•°ã§ä½¿ãˆãªã„ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã§ã‚ã£ã¦ã‚‚å•é¡Œãªã„ã€‚

JavaScript

OOP

ç¶™æ‰¿

prototype

tips
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Douglas Crockford: "Advanced JavaScript"è¦ç‚¹ãƒ¡ãƒ¢ - prog*sig
â– Singleton P46 ã‚°ãƒãƒ¼ãƒãƒ«ãªã‚‚ã®ã¯ã§ãã‚‹ã ã‘ä½¿ã‚ãªã„ã€‚ ã„ã‚ã‚†ã‚‹ã‚¯ãƒãƒ¼ã‚¸ãƒ£ãƒ¼çš„ãªã‚‚ã®ã§privateãªãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚„ãƒ¡ã‚½ãƒƒãƒ‰ã‚’æ‰±ãˆã‚‹ã€‚ var singleton = function () { var privateVariable; function privateFunction(x) { ...privateVariable... } return { firstMethod: function (a, b) { ...privateVariable... }, secondMethod: function (c) { ...privateFunction()... } }; }(); â– Power Constructor P48 Power Constructorã¯ãƒ™ãƒ¼ã‚¹ã¨ãªã‚‹ã‚‚ã®ã‚’prototypeå…ˆã«ã—ãŸthatã«ã€å†…éƒ¨ã§privateãªãƒ¡ã‚½ãƒƒãƒ‰ã‚„ãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚’
monjudoh 2010/10/29
JavaScript

OOP

prototype
ãƒªãƒ³ã‚¯
[JavaScript] newã¯å¤§äº‹ã ã‚ˆï¼ / LiosK-free Blog
2010-07-19 ã‚«ãƒ†ã‚´ãƒª: Client Side ã‚¿ã‚°: JavaScript ãƒˆãƒ©ãƒƒã‚¯ãƒãƒƒã‚¯ JavaScriptã®newã£ã¦ä½•ï¼Ÿä¸€ä½“ä½•ãªã®ï¼Ÿã¨ã„ã†è©± - æ„›ã¨å‹‡æ°—ã¨ç¼¶ãƒ“ãƒ¼ãƒ« ã‚¯ãƒ©ã‚¹ã£ã¦ã‚‚ã®ã¯JavaScriptã«ã¯ãªã„ã¯ãšãªã®ã«ã€ new ClassName();ã¨æ›¸ãã¨ã‚ãŸã‹ã‚‚ClassNameã‚¯ãƒ©ã‚¹ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãŒç”Ÿæˆã•ã‚Œã€ãã‚ŒãŒè¿”ã£ã¦ãã‚‹ã‹ã®ã‚ˆã†ãªæŒ™å‹•ã‚’ã—ã¦ã„ã‚‹ã€‚ ã“ã‚Œã¯æ°—æŒã¡æ‚ªã„ã€‚è¨€èªžä»•æ§˜ã¨ã—ã¦ã¯ã‚¯ãƒ©ã‚¹ã¯æœ¬æ¥å˜åœ¨ã—ãªã„ã®ã«ã€ã‚¯ãƒ©ã‚¹ã®ã‚ˆã†ãªã‚‚ã®ãŒå°Žå…¥ã•ã‚Œã¦ã„ã‚‹ã€‚ã¾ã¨ã‚‚ãªç¥žçµŒã‚’æŒã£ãŸäººé–“ãªã‚‰ã€ä¸€ä½“ newæ¼”ç®—åã£ã¦ä½•ãªã®ï¼Ÿã¨ã„ã†ç–‘å•ã‚’æŒã¤ã®ãŒå½“ãŸã‚Šå‰ã§ã‚ã‚‹ã€‚ ã“ã‚“ãªæ‰±ã„ã‚’å—ã‘ã¦ã„ã‚‹newãŒã‚ã¾ã‚Šã«ã‚‚ä¸æ†«ã§æ¶™ã—ãŸï¼žï¼œ newã¯prototype-basedãªJavaScriptã‚’æ›¸ããŸã‚ã®å”¯ä¸€ã®æ‰‹æ®µ[1]ã§ã€çœŸã«JavaScriptã‚‰ã—ã„ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ããŸã‚ã«ã¯æ¬ ã‹
monjudoh 2010/07/22
JavaScript

è¨€èªž

prototype
ãƒªãƒ³ã‚¯
[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

ç¶™æ‰¿

prototype
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