prototypal-inheritance

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Prototypal inheritance in Powershell?

Are there any libraries or projects that implement pro开发者_开发知识库totypal inheritance for PSObjects in Powershell?I don\'t think so since you can\'t even get a PSObject to identify itself as a cu[详细]

2023-01-15 01:20 分类：问答
EXTENDS challenge: preprocessor function macros and class-like oop

Background I\'ve been using the C preprocessor to manage and \"compile\" semi-large javascript projects with multiple files and build targets. This gives full access to C preprocessor directives like[详细]

2023-01-09 06:32 分类：问答
The value of 'this' inside of a Javascript prototype function used as an event handler

I\'m trying to use prototype inheritance in Javascript.The problem with my code below 开发者_Python百科is that when the button is clicked and MyNamespace.MyObj.myEventHandler is called, the value of t[详细]

2023-01-08 23:14 分类：问答
In JavaScript, how do I access an object inherited from Array with the [] operator?

I have a situation, where I need to create a new JavaScript object that is inherited from Array. I am using the following code:[详细]

2023-01-08 10:23 分类：问答
Extjs: extend class via constructor or initComponent?

In extjs you can always extend an extjs class via the constructor(). For classes derinving from Component you can also extendvia initComponent().[详细]

2023-01-05 09:50 分类：问答
What is happening in Crockford's object creation technique?

There are only 3 lines of code, and yet I\'m having trouble fully grasping this: Object.create = function (o) {[详细]

2022-12-29 06:48 分类：问答
Calling function using 'new' is less expensive than without it?

Given this very familiar model of prototypal construction: function Rectangle(w,h) { this.width = w; this.height = h;[详细]

2022-12-23 20:10 分类：问答
Attaching methods to prototype from within constructor function

Here is the textbook standard way of describing a \'class\' or constructor function in JavaScript, straight from the Definitive Guide to JavaScript:[详细]

2022-12-23 03:19 分类：问答
Javascript functional inheritance with prototypes

In Douglas Crockford\'s JavaScript: The Good Parts he recommends that we use functional inheritance.Here\'s an example:[详细]

2022-12-22 17:23 分类：问答
How can I see a Javascript object's prototype chain?

Given the following code: function a() {} function b() {} b.prototype = new a(); var b1 = new b(); We can stay that a has been added to b\'s prototype chain. Great. And, all the following are true:[详细]

2022-12-19 16:58 分类：问答