What is __proto__ ? | Javascript Prototypes Tutorial

Dave Gray
Dave Gray
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What is _proto_ ? This Javascript prototypes tutorial will help you understand Javascript prototype inheritance and the prototype chain. Javascript prototypes are a popular interview question topic and what is "under the hood" of the modern syntactic sugar behind ES6 Classes.

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What is _proto_ ? | Javascript Prototypes Tutorial

(00:00) Intro
(0:16) Good Reasons to know about Javascript Prototypes  
(1:03) Hello _proto_  
(2:59) New Modern Methods vs _proto_
(4:34) More than one link in the prototype chain
(8:11) 3 Rules of Prototypal Inheritance
(9:05) Inheriting a Getter and a Setter
(11:50) Inheriting from the Javascript Object
(13:34) Looping through direct and inherited keys
(14:56) Object Constructor Functions and Prototypes
(19:05) Javascript ES6 Classes and Extending Classes

References:
🔗 MDN Web Docs: https://developer.mozilla.org/en-US/d...
🔗 More from MDN Web Docs: https://developer.mozilla.org/en-US/d...

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