The Essential built-in Object methods you need to know | Part I | JavaScript Basics

Опубликовано: 05 Июль 2026
на канале: Decode Web with Rohan

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Take a deep dive into some essential methods in the built-in Object methods in JavaScript with Rohan from ‪@DecodeWebWithRohan‬. This video is the 1st part in a two part series discussing these methods in depth with examples. Such as: how to create or update an object, configure an object or its properties, and check the object and property configs.

Also check these out!
Part II in the series - JavaScript | The Essential Object methods you need to know | Part II (   • The Essential built-in *Object methods* yo...  )
JavaScript | Learn What Object Property Descriptors are and How to Use Them in JavaScript (   • Learn What *Object Property Descriptors* a...  )
JavaScript | Introduction to Objects (   • Introduction to *Objects* | JavaScript Basics  )

Playlist:
Analysing JavaScript (   • Introduction to *Objects* | JavaScript Basics  )

Content:
0:00 - Intro
0:24 - Log Object methods
0:44 - Divide and understand
0:57 - Creation/Updation
1:02 - Object constructor (new Object())
1:28 - Object.create()
2:18 - Object.assign()
2:58 - Object.fromEntries()
3:31 - Configuration
3:36 - Object.defineProperty()
4:18 - Object.defineProperties()
5:08 - Object.preventExtensions()
5:43 - Object.seal()
6:37 - Object.freeze()
7:19 - Checking
7:25 - Object.hasOwn() & Object.prototype.hasOwnProperty()
8:05 - Object.prototype.propertyIsEnumerable()
8:28 - Object.is()
8:43 - Object.isExtensible()
8:59 - Object.isSealed()
9:20 - Object.isFrozen()
9:44 - Object.prototype.isPrototypeOf()

Tools being used:
Code editor: VS Code (https://code.visualstudio.com/)
Manage version control: GIT (https://git-scm.com/downloads)
GUI for GIT: Sourcetree (https://www.sourcetreeapp.com/)
Design: Pencil Project (https://pencil.evolus.vn/)
Repository: GitHub(https://github.com/DecodeWebWithRohan...)
Graphic Design: Canva (https://www.canva.com/)
Recording: Obs Studio (https://obsproject.com)
Video Editor: Shotcut (https://shotcut.org/download/)

Link to the code repositories:
https://github.com/DecodeWebWithRohan...

Please consider supporting the channel:
https://paypal.me/DecodeWebWithRohan

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