Vjeux » Javascript – How Prototypal Inheritance really works
Everywhere on the web we read that Javascript has prototypal inheritance. However Javascript only provides by default a specific case of prototypal inheritance with the new operator. Therefore, most of the explanations are really confusing to read. This article aims to clarify what is prototypal inheritance and how to really use it on Javascript. Prototypal Inheritance Definition When you read abo
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2010-07-19 カテゴリ: Client Side ã‚¿ã‚°: JavaScript トラックãƒãƒƒã‚¯ JavaScriptã®newã£ã¦ä½•ï¼Ÿä¸€ä½“何ãªã®ï¼Ÿã¨ã„ã†è©± - æ„›ã¨å‹‡æ°—ã¨ç¼¶ãƒ“ール クラスã£ã¦ã‚‚ã®ã¯JavaScriptã«ã¯ãªã„ã¯ãšãªã®ã«ã€ new ClassName();ã¨æ›¸ãã¨ã‚ãŸã‹ã‚‚ClassNameクラスã®ã‚ªãƒ–ジェクトã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãŒç”Ÿæˆã•ã‚Œã€ãã‚ŒãŒè¿”ã£ã¦ãã‚‹ã‹ã®ã‚ˆã†ãªæŒ™å‹•ã‚’ã—ã¦ã„る。 ã“ã‚Œã¯æ°—æŒã¡æ‚ªã„。言語仕様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„る。ã¾ã¨ã‚‚ãªç¥žçµŒã‚’æŒã£ãŸäººé–“ãªã‚‰ã€ä¸€ä½“ new演算åã£ã¦ä½•ãªã®ï¼Ÿã¨ã„ã†ç–‘å•ã‚’æŒã¤ã®ãŒå½“ãŸã‚Šå‰ã§ã‚る。 ã“ã‚“ãªæ‰±ã„ã‚’å—ã‘ã¦ã„ã‚‹newãŒã‚ã¾ã‚Šã«ã‚‚ä¸æ†«ã§æ¶™ã—ãŸï¼žï¼œ newã¯prototype-basedãªJavaScriptを書ããŸã‚ã®å”¯ä¸€ã®æ‰‹æ®µ[1]ã§ã€çœŸã«JavaScriptらã—ã„コードを書ããŸã‚ã«ã¯æ¬ ã‹
Prototype-based programming - Wikipedia
Prototype-based programming is a style of object-oriented programming in which behavior reuse (known as inheritance) is performed via a process of reusing existing objects that serve as prototypes. This model can also be known as prototypal, prototype-oriented, classless, or instance-based programming. Prototype-based programming uses the process generalized objects, which can then be cloned and e
JavaScript. The Core.
Read this article in: German, Russian, French, Polish. Note: a new 2nd Edition of this article is available. This note is an overview and summary of the “ECMA-262-3 in detail†series. Every section contains references to the appropriate matching chapters so you can read them to get a deeper understanding. Intended audience: experienced programmers, professionals. We start out by considering the co
Understanding JavaScript Prototypes.
(en Español, руÑÑком, ä¸æ–‡) JavaScript’s prototype object generates confusion wherever it goes. Seasoned JavaScript professionals, even authors frequently exhibit a limited understanding of the concept. I believe a lot of the trouble stems from our earliest encounters with prototypes, which almost always relate to new, constructor and the very misleading prototype property attached to functions. In
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