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5 JavaScript Concepts You HAVE TO KNOW
- February 7, 2024
- Posted by: MainInstructor
- Category: JavaScript
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Video Title: 5 JavaScript Concepts You HAVE TO KNOW
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Is this vid still relevant today?
great toping about js, that make me also asking why can be happen
Am I supposed to feel like I've only been informed of what concepts I need to look into? Did this video explain the concepts for people that are already familiar enough with coding?
So you're basically saying that one should have a Jedi mindset…
JavaScript is definitely complicated but the more you do it the easier it gets .. it just takes a lot of time
A bit lacking… Why not show examples of async?
Thank you
2:00 is correct in what the effect is, but for the wrong reasons. In JS, you're not working with objects, but with object references. So when you compare them with == it does exactly what makes sense, it compares the references, not the object that they refer to. It's the same as comparing two pointers in C/C++, it's just that JS variables being pointers is implicit,
You make my head hurt, you explained a million concepts, now break each one down and explain it in depth, when to use it, when to know when to use it, etc……
plan function in js-awe library is nice way to manage complex async flow.
Map method and spread are important too.
What's the extension name you use to display the output next to the written line, Please ?!!
1:23 tell me you're Italian without telling you're Italian
Pass by reference vs pass by value and closures are important, more so than new es6 syntax. And callbacks arent called automatically, only when you call them.
too much face, too little code. bad video format.
You need to get some sleep 😂
….you know what would be REALLY a Masterclass – JavaScript with Dev Ops/Workflow – THAT is really pro level coding
Another thing I never see, which I used to ALWAYS see in professional ActionScript coders is creating your own libraries and ‘helper classes’ instead of coders ALWAYS starting from scratch or using other people’s bloated libraries WHICH you can’t use for security sensitive coding (like for Military clients)
Asynchronous JS and Error Handling are the most important things that will level up your coding – I would have also added testing. I think everything else is superfluous
Error handling can be managed by adding Typescript
Im an Backend dev, so im out.
05:15 bro sees his ex as an error
Thank you for the short version!
Omw to the array playlist.
When Mike Perry masters programming instead of fist fights
and you didnt mentioned DOM,Document Object Model,i think this is the most important thing in javascript and it is the reason why so many programmers start learning javascript,with DOM you can interact with user,if user like input something in input tag,something should happen and that sort of things
first three are barely js. I pretty much don't know js and know about them. Fifth is not in the video 🙁
There is some joke here with programming lists and this list and I don't see it. Because you didn't teach it to me. Nah, but you get hte point
yes im interested in the crash course please. also add a ideo of how to use react
love the video but why do you look like you're about to cry
The way you explained complex concepts with such clarity and simplicity is commendable. 👍👍👍
Man we need a new scripting language for web.
Also…
Be very careful with array methods.
Understand them well, so as not to increase complexity of the code that manages arrays.
Specially if you're working on API development or React componentization.
I wish JavaScript had printf.
Thank you sir.
A crash course would be great 👍 🙌🏻
Just learn typescript
Do you know where he is from ?
Because I'm not a fluent english speaker and I'd like his accent
Its very easy to understand.
Thanks a lot, good summary.
Yes 😂
Worthy
wait, so you really beed to babysit other developers and take responsibility for them using your code not as you intended in documentation?
Can somebody tell me which plugin he is using to live show the code result in line?
Whereas these topics are definetely important, I was expecting something more like:
1. Prototypes
2. Scope
3. Callbacks
4. Data Structures in JS (Objects, Arrays, Primitives etc)
5. Async Programming in JS
Some of the ones you mentioned are not nearly as important as my first 3
This video is really helpful 👌❤
Thank you.
Found this video about 18 hours too late.. or maybe at the perfect time. Spent HOURS yesterday trying to figure out why the two arrays I was comparing were not true, I eventually solved the problem, but at least now I know why the arrays were not equal…
I think the explanation of the '===' operator is wrong.
It starts by checking type equality. If types are identical, only then value equality is being checked.
On the other hand, the '==' tries to make both operands be of the same type,
if casting successfully achieved only then value equality is being checked.
Understanding the operator meaning helps to correctly using these operators
Thanks
Im sinking into a depression because of this
im new to javascript and programming in general,i have no idea whats this guy is talking about , i feel dumb and feel like giving up lolh
Medical worker here. Tried coding for fun while stuck in Hawaii with too much free time. NGL, I didn't understand a damn thing you said. lol This must be what it sounds like when I used medical terminology when explaining cardiology to non-medical workers.
Brah needs some sleep