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Prototype originated from French. The software standards are translated as "prototype", which represents the initial form of things and also contains the meaning of models and templates. The prototype concept in JavaScript exactly reflects the
Used JavaScript students are sure to prototype thunderclap piercing, but this is what it is a beginner mixed, only know that the function will have a prototype attribute, you can add a function for instance access, the other is not clear, recently
View plaincopy to clipboardprint? /*Each object instance has a prototype property member used to point to its instanceof object (temporarily called parent object)We call this layer-by-layer relationship pointing to the parent prototype [prototype
The concept of prototype in JavaScript aptly reflects the meaning of the word, and we cannot interpret it as a prototype concept of C + +.
All of the function-type objects of JavaScript have a prototype attribute. The prototype property itself is an
The prototype concept in JavaScript exactly reflects the content of the word. We cannot understand it as a pre-declared concept of prototype in C ++.All function objects in JavaScript have a prototype attribute. This prototype attribute is an object
ECMAScript has two development modes: 1. Functional (procedural); 2. object-oriented (OOP);
Create an Object1. Common objects of Creation
Create an object, and then give the object new properties and methods;
var box = new Object ();
I. Function creation process
Before learning about the prototype chain, let's take a look at what a function does during creation. Let's take an example of an empty function:
1 function (){};
When we declare such an empty function in the Code, the
Recently in reading a book about C, the definition of function declaration and function is very vague, not clear, Baidu a bit, found a post written is very good, reproduced over:Original:"Define" and "declare" a function are not the same thing.
I read "talking about JS object-oriented programming" a few days ago. At that time, I asked haoshen to findArticleIn some cases, it may be misleading (or different from ECMA). Later I flipped through ECMA and finally found the "standard ......This
I. Function creation processBefore learning about the prototype chain, let's take a look at what a function does during creation. Let's take an example of an empty function:Function (){};When we declare such an empty function in the code, the
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