Top "Prototypal-inheritance" questions

Prototype inheritance reuses behavior by cloning existing objects that serves as prototypes.

__proto__ VS. prototype in JavaScript

This figure again shows that every object has a prototype. Constructor function Foo also has its own __proto__ which is …

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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?

The API Reference Scope page says: A scope can inherit from a parent scope. The Developer Guide Scope page says: …

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Good Example of JavaScript's Prototype-Based Inheritance

I have been programming with OOP languages for over 10 years but I'm learning JavaScript now and it's the first time …

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How to access object prototype in javascript?

In all the articles it is written that JavaScript is a prototype-based language, meaning that every object has a prototype (…

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Proper way to call superclass functions from subclass

I have a "SuperClass" with "info" as an instance variable. "SuperClass" has function "printInfo()". "printInfo()" needs to access instance variable "…

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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?

If I understand correctly, each and every object in JavaScript inherits from the Object prototype, which means that each and …

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Why is extending native objects a bad practice?

Every JS opinion leader says that extending the native objects is a bad practice. But why? Do we get a …

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Properties of Javascript function objects

I have a JavaScript function object as; var addNum = function(num1, num2) { return num1 + num2; } Now if I try to …

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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 …

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Convert javascript class instance to plain object preserving methods

I want to convert an instance class to plain object, without losing methods and/or inherited properties. So for example: …

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