JavaScript for Beginners #44 Objects Dot Notation vs Bracket Notation

Here, we will explore the difference between using bracket notation and dot notation with objects.

0:00 Setting up our object
1:05 Viewing the object in the console
1:42 Using the dot notation to retrieve a property value
3:20 Using the bracket notation to retrieve a property value
4:10 Adding properties into objects
5:06 Using undefined to set the value of a property
6:46 Using the bracket notation with an expression
10:13 Using bracket notation for property names with spaces
12:50 Setting up a for loop
14:36 Creating a long string for our object

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MDN Objects:

Node JS:

Visual Studio Code:

[arielc.]

I would say this is the best explanation about objects dot and bracket notation!! Thank you!

[sandoxs]

definatelly the best explanation about objects dot and bracket notation

[suzannecurtis]

Excellent tutorial. Very detailed and articulate.

[JimmysJohn]

Only suggestion I have is to be carful with your object keys 🔑 and the names you give them. Some less advanced folk will see that state key and freak out lol

[BaMBZ]

and just in case anyone is wondering, there is indeed a doctor called Sarah Davis in Texas.

[saimori]

You buy a course and they just skim through the basics meanwhile here it is free.