JavaScript Getters and Setters Explained

[@tresschess6591]

Colt Steele: "Always calling it like it is." I'm glad you do because you've helped me learn so much!

[@devnullsrevenge]

Good stuff. You didn't mention immutability and encapsulation design principles. If for example you have a class with private fields, you can use getters to expose their values as copies to the public without the program being able to change the private field's value. Some datatypes are immutable, but others aren't like arrays, so this is a great use case of a getter to send a copy of an array (e.g using .slice() ) while protecting the real private array.

[@swagathshetty]

But we can already send a copy of array without using getter right?

[@devnullsrevenge]

@@swagathshetty The getter would return a reference to the original mutable array, unless you purposefully write logic to ensure it's a copy. This is why tricks like returning the array.slice() with no arguments are popular.

[@hassansyed6087]

Wonderfully said. I understood bits and pieces of it but i could put it all together eventually

[@eliud_karuga]

concise, clear, direct and easy to understand. thanks a lot. I was struggling with this before

[@motostreat9764]

i still watching your web developer classes from the start it really helps me a lot colt!God bless you.

[@chaswards]

Awesome video Colt! I've come across getters and setters a few times at work but never really worked with them. It's good to actually see what they do! Thanks!

[@erickchavez4551]

Nicely explained. Had no idea why there was a get in a class I was studying and now I get it. Thanks!

[@SidKnight]

Thanks. I'm new to coding and I was trying to figure out what was the point of getters. Cleared it up.

[@hipnomedia4504]

stayed till the end and I gotta say I FINALLY GET IT!!

[@johntheawsomeful]

Thank you for this man. I was confused for no reason lol I had some weird idea for what getters and setters were and now I understand it's basically using a method as an object's property

[@theHarbingerOfDoom]

Thanks, I finally understood this thanks to your explanation, well done

[@wickywuth6976]

Great video, thank you for this beautiful explanation

[@RobbSnor]

Really well explained, now I understand them!

[@EnjoyYourLif3]

The real MVP!! I was getting confuse on creating a setter and getter until I found this video. Thank you once again. I know this is not like c++ but I was wondering if we can also named the method set setFullName(newName) and get getFullName or it is better just a set fullname(newName) and get fullName()

[@_betheducky]

Super simple and helpful. Thanks man!

[@jiix4723]

Love you colt, you dropped this right as I got to OOP in your bootcamp course. Hope you're doing well

[@abtinjalali6191]

Great Video Colt! Thank you.🙂👍

[@sobeyyy]

Awesome video thank you Colt!

[@sob3ygrime]

Hey tyler what's UP?

[@vanta6lack]

Thanks for the video, Colt!

[@NiksWP]

Thanks for the explanation

[@BlaBlaBlaInDaHouse]

Thank you for your explanation!

[@stephenohaeri2472]

Still looking to get your JavaScript updated course, Colt

[@GoodCodeArabic]

Colt already updated his course on Udemy Web development bootcamp and also the course he made with Stephen grider

[@stephenohaeri2472]

@@GoodCodeArabic yeah that's the one I'm looking to get

[@outlawpl]

Nice explanation.

[@Retrofire-47]

Question! what about more _simple_ mutations of an object? Maybe i just want to decrement a property, why do i require an argument when using the setter in that case?

[@junsgk]

Colt you're the best

[@andrejscupecs5091]

Great video! You are very talented teacher @ColtSteele! Short question: is there a way to make 'first' and 'last' as private properties in JS? Or in TS, maybe?

[@shawn.builds]

thanks colt!

[@luisalbertogarciaibarra9852]

Hey man, at 7:50 your image covers the result of count and it can't be seen, you say it out loud and I think we all understood, just something to consider for your future videos.

[@leonardrichter2661]

Thanks for the video! I would love if you would update your The Modern Javascript Bootcamp Course on Udemy. It really needs a big update like the one you did with the Web Developer Bootcamp at this point, due to all the changes that made a lot of the code to stop working.

[@Jake-zx9mp]

Thank you

[@ianl5753]

Great video. Very useful. I'd love to see how you'd tackle a complex form. Something with lots of conditional logic that saves different field values based on those conditions into a database. Also how you'd deal with retrieving the values back into the form to edit and resave them. I can all but hope 👍

[@khoushiekram5287]

Thanks bud ❤️

[@BigSmoke-r9w]

Timothee chalamander

[@gerkim62]

I have a question, isn't it a performance issue when a getter is called multiple times instead of only once and returning that value instead of recomputing it every time

[@user-xf7wx3zk8j]

thank you!

[@phileze_]

How did you assign first and last in the constructor when there is no property for that in the class please?

[@lizavetakanapatskaya6963]

If I get you right, the answer is - the constructor of the Person class is accepting 2 values (on the very top - line #2): 'first' and 'last' and then we assign them like - this.first = first. and this.last = last (line #3 and #4). That means when we'll create new object (line #11) - everything we pass into brackets of "new Person()" will assign the first argument as our first name and the second argument - as the second name.

[@whitebeardpirates7551]

thx♥♥

[@tenzinwoeser6842]

Shessssshh. Just like that. Thanks

[@mrwho.7163]

looks like arrow function & couple of variables do the job , better

[@darwish-mammo]

😘

[@frosttx2]

and why should i use this instead of a function

[@luciusrex]

i watched this to the end in 3-4min bc x2 speed lol

[@justinmiller3349]

Regarding thumbnails, I hate that creators are essentially forced to play the game or be punished by the algorithm. I usually avoid watching if its too egregious in a futile and miniscule attempt to not reward the system.

[@jorims8537]

Great video but I still don’t really understand a clear usecase

[@johnm8358]

It's pronounced sur-sha

[@corajohnson2219]

Nice video. But why pick names you don’t know how to spell 😂?

[@jsbr]

Seems kind of useless thing compared to Java