4 NEW TypeScript 5.5 Features!

I’m so looking forward to Temporal.

We do scheduling stuff and JS Date is almost useless. Lots of…. temporal utilities needed around it.

I love when languages gets more functional methods.

I'm very happy to see Decorators in the list. I recently got to know about reflect-metadata but found that it is currently experimental.

keeping up is not difficult, there were some activities around 2016, most of the time it's stagnant and kind of slow

with resolver super useful, the existing workaround was ugly, too bad the naming sucks

It all feels like sugar. Seems like 10 years from now, JS wont even be a thing any more. Everything grounded in C is just going to be eaten by Rust and Go and all the new tribe.

Safari continues to be a shit browser. F*#$ Apple

thanks for the video

I am so looking forward to decorators. I think they will make web components so much easier.

It probably won't make it in this year, but I'm really looking forward to Records and Tuples. Which will be quite useful for things like Map.groupBy() (also in array grouping, but people tend to focus on the Object version).

Importantly, they will be new primitives that have equality by value, so #{ foo: 'bar' } === #{ foo: 'bar' } will be true... and that makes them much more useful for keys in Maps and WeakMaps.

Map.get(#{ name: 'John', age: 45 }) will work.

hey, how to create an account on your website. i just wanted to check the price of your javascript course

i don;t like decorator bullshit.. slowly people turning JS into TS

so cool ❤

Kyle’s been sitting in his room for years, stackin bitcoin, ready to emerge a millionaire…

I performance tested toReversed and it was actually slightly less performance than regular Array.prototype.reverse. Kind of disappointing. Hopefully performance will improve.

It's nice to mention Map.groupBy along with Object.groupBy. Works similarly but returns Map.

The more I watch your videos, the more I love C++ 😅

These features are brilliant, you did an excellent job highlighting them all!

BTW you should use array.sort((a, b) => a - b) instead of array.sort()

Thank you!

am impressed to withResolvers

Create new functions to do the same but cloning the array? Bruhh... that's so fuc*ing stupid.

Just do create a method line `.clone()` and that's it!!1111 WHY DO CREATE 6456564564 NEW METHODS OMFG

Tus videos son los mejor, your videos are the best

Aunque ya se esté estos métodos actualizados por x o y motivos siempre me gusta refrescar más con alguien que los explica rápido y sensillo

You can start using these right away in server side code ;)

Oh great one more language filled with decorators. As JS doesn't support enough sideffect patterns

An Regeln halten, ist ganz wichtig, wer definiert denn die Regeln ;-) und man muss sich anpassen. Ist das Freiheit, nein das ist Angepasstheit. Dennoch danke für das interessante Video.

Temporal API has been in work since forever, have there been any news on it that made you include it in this video?

Did you consider to turn off the hair blower?

Array methods: toSorted, toReversed, toSpliced, findlast, findLastIndex, with - all are updates of 2023. Check -> /Microsoft VS Code/resources/app/extensions/node_modules/typescript/lib/lib.es2023.array.d.ts it is all there already. Browsers support is a little different thing. But if you check lib.esnext.d.ts you'll see that decorators (new feature) + intl (updates) is actually new updates for ECMAScript 2024 year.

FYI: Temporal API as experimental proposal already for 4 years (from 2020) and unknown if it is going to become available in 2024.

Suggesting to use quokka extension, it will show output on the fly as you type

Can you talk about the new Pipeline Operator in JS?

very nice

this are "proposed" not new , clickbait

hello world

Please in future add links to doc manuals you shown in description)

Yay, more features that I'll never use.

Decorators i see same same in angular

Stoked for the new Set methods! Working on a project currently that makes multiple API calls with different queries and compares the results. This really could have benefitted from Set.intersection

Thank you so much man this is so usefull

we really need these magic set methods like in python

Copying things is not performant for obvious reasons. Wish the author of the concept of forcing Immutability knew this.
In real programming languages, copying things if frowned upon heavily, yet JS brings more native mass copy functions.
JS frameworks, they even force you to do the immutability!

Temporal is pronounced with the emphasis on the first syllable NOT the second. TEMPoral NOT TemPORal.

I just love the way u explain everything. My fav developer

4 months later and that import json went from 0% to 78% ><

I see lots of people create videos about JS, but I rarely see anything about how to implement it. For example, a detailed video on how to make it work with HTML and CSS and how it all ties together. Please forgive me, but im fairly new to this and would love to see vids like that. By the way your videos are great, keep up the good work!

Js in 2025 we need video😊

Thank you!