Complete Guide to JS Sets: How They Work & When To Use Them

This video covers one of the newer data structures in JS: the Set. We start by going over the basic syntax and Set methods, then we focus on specific use cases for Sets and WHY you would use them. Lastly we talk about the time complexity/Big O notation of common Set operations.

[WillyFunkyFunk]

I got a full time front end developer job because of you colt.... thanks a lot!!!

[malaicristian]

So excited when your notification pops out. You rock Colt 👍

[deian]

for the first example,
[4, 4, 4, 4, 5] also returns size 2

[akarshpahariya]

I figured out this one thing while working with sets that sets can have similar arrays inside them i.e. array with similar values can be stored within the same sets.

[webengineer]

THE BEST EXPLANATION OF JS SETS. PERIOD. THANKS BRO!!!

[emmanuelfabiani]

You're simply the best! Amazing at explaining things yet so humble and down to earth! I wish we were friends in real life. You must be a great human being to walk along the path of life

[haikoerinkveld]

Really like your videos Colt! I personally really appreciate the notes you add to your video's, I bookmark them all and even hard copy them. You deserve a lot more views on this video!

[glassofchampagne]

Thanks for the video Colt! When I saw the title of this video it made my day, hell, it made my week! As always, thanks again <3 Keep up the godly work

[GWebcob]

Thanks for including big O! It will help me a lot in my interview

[mustlearnmore]

Keep 'em coming, Colt -- consider your "experiment" a success!

[yatin]

This was wonderful Colt, straight to the point and easy to understand!

[keemeshrampersad]

Awesome Colt... Love the way you explain everything... You make it look so easy... Love your work...

[yuhceeofficial]

That feeling when you see a notification pop up for a new Colt Steele's YouTube Video. 🕺🏻

[bikabas]

An absolute treat to watch your videos Colt. Keep up the good work.

[automatyk_]

Awesome explanation. Really appreciate the practical examples.

[danieldominguez]

A video on explaining functional programming and practical use cases would be

[sagniksinha]

can you please have a session on javascript Closures (that seems to be most confusing topic) and also Prototypes in js?

[nuregal]

Thanks, love the way you explain things.

[HyprSpc]

Thank you, Colt! Great explanation on Set and their use cases.

[RandomUserOnTheInterWebs]

These are amazing guides, and the use of Notion is great.