Luyện nói tiếng Anh bằng Shadowing qua video: Transition to and from display: none

Hello, my friend and friend, if you've ever needed to transition something in and out in different ways, depending what it is,

but you're going from a display of none to a display of something else doesn't actually work in CSS, except now it does.

It just takes one property and one new at rule

and we can pull something like this off or do much fancier things if you'd like as well.

So if you'd like to know how to do this, well, then let's dive right into it.

All right.

So how do we do this?

Well, you can see here, I'm first of all opening and closing things with this button that's right here, which I'm using invoker commands for with a dialog.

So if I scroll all the way down to the bottom, I have a dialog set up here that has an ID on it of my newsletter modal.

And then all the way back up here, the invoker command for my newsletter modal is doing a show modal.

Invoker commands are in all browsers now, but it's relatively new.

So if you want to be a little bit safer, you can do the same thing using a little bit of JavaScript and that works fantastically well without any issues.

And of course, you don't have to be doing this with a dialog.

This would work with anything where you're going from a display of none to a display of grid.

And what we want to do is do this transition, and I can't do it because normally you can't do a transition on a discrete animation, which is what display is.

If you don't know what a discrete animation is, I'll put a link to the MDM to explain that.

But the fix is doing, or the first fix, because we need two fixes, they're both one-liners basically, a transition behavior of allow discrete.

And this means you can take something that is a discrete animation and we're allowed to transition it.

Does not work when we open it, but look at that.

It fades away when I'm closing it, which is amazing.

A little bit frustrating that's only in one direction.

And that's just because when we go from a display of none to the display of grid, it's instantly getting to this state.

And so it lives here it didn't know what existed before

but when i'm closing it it's going oh we're doing our transition behavior of allow discrete

so i'm going to let my display property stay as the grid for two seconds

while the other animations or transitions are running so i'm saying animations

but transitions in this case are going to run

so the opacity is going to work and we can do other stuff

which we'll see in a second as well

so how do we get this to actually work the other

way around we're on our open state at the end of the open state

and this is really important that it comes after and not before

which is annoying the order of things we do an at starting style

and this is a new at rule

that we have for exactly what we want to do here

where i want to start with an opacity of zero

and now it will transition in and it will transition back out fantastic right So the order here is important.

We're doing the closed state, then we're doing the open state, and then we're doing the from closed state to open state.

And it's a little bit weird, maybe leave some comments, but it does need to be in that specific order for it to work properly.

At least this part does.

The from open to closed maybe could be the other way around.

But again, this probably makes the most sense.

So we're going, this is my closed state.

This is my open state.

And then the transition phase here before the animation starts.

If you put this earlier, it will not work because of the way the cascade works.

And the last rule wins, just like with a media query or anything else.

So the cool thing with starting style, because if you're just doing this, I mean, it works.

It's fine.

It's one literally, well, a one-liner.

Let's make it a one-liner.

So I'm not lying.

There we go.

It's now a one-liner.

But the nice thing with starting style is we can do a little bit more with it.

So let's also here, I'm going to add two lines actually.

I'm going to add an overlay.

I don't necessarily need it in this case, but with modals or dialogue, if you're doing popovers too,

this could be useful because this is dealing with the top layer

and can be useful and we also have our backdrop it might be associated with

that but I might be wrong on that one

but I also want to add a translate here as well

so we're going to do our opacity our display

and overlay are just getting thrown on here to make sure everything works

and then the translate is getting added at the end

so what I can do is let's come here and

so we're going to do a translate of 0 50 pixels which is it's gonna move it down a little bit.

Then we're gonna have a translate of a 0, 0.

And on the starting style, let's come in with a translate of a 0, negative 50 pixels.

And this is one of the things I like about starting style, is it means we can have an entry animation and an exit animation, and they can be different from one another.

The last thing, just really quickly, you might have noticed my backdrop is not actually transitioning or animating, which is a little bit weird.

What I would do if you have a backdrop or something like this

is just throw an opacity of zero on it for the regular state.

Then when our modal is opened,

this could have an and backdrop of opacity of one and then and backdrop opacity of zero.

And you guessed it.

We just come here and do a transition opacity two seconds.

And in doing that, when it opens, you can see because the opacity is changing,

the filter ends up actually sort of transitioning back and forth at the same time as well.

So this is like the easiest way is just playing with the opacity on backdrops

or other things like that that you have at your disposal.

And yeah, just like that, we're now transitioning to and from a display of none.

It's fantastically easy to do.

And with that, I'm going to say a very big thank you to my enabler of Awesome Johnny, as well as all my other patrons and channel members for their monthly support.

And of course, until next time, don't forget to make your corner of the internet just a little bit more awesome.

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Từ vựng và ghi chú luyện nói cho bài học này

Bài luyện nói trình độ C1 này dựa trên video “Transition to and from display: none”. Những từ được nhắc lại nhiều nhất trong bài: transition, display, opacity, animation, backdrop. Video này có 85 câu và 1178 từ để luyện shadowing. Phần lời nói dài 5:29. Người nói nói nhanh, khoảng 215 từ mỗi phút, nên sẽ có nhiều chỗ nối âm và nuốt âm. 85% số từ nằm trong 3.000 từ tiếng Anh thông dụng nhất; phần còn lại nên xem trước khi luyện.

Từ vựng quan trọng trong video

8 từ khó nhất trong video, kèm phiên âm và nghĩa:

Từ	Phiên âm	Nghĩa
backdrop danh từ	/ˈbæk.dɹɑp/	bối cảnh
translate động từ	/tɹænzˈleɪt/	dịch, phiên dịch
fantastically trạng từ		tuyệt vời
pixel danh từ	/ˈpɪk.səl/	điểm ảnh
newsletter danh từ	/ˈn(j)uzˌlɛtɚ/	bản tin
cascade danh từ	/kæsˈkeɪd/	thác nước
scroll danh từ	/skɹoʊl/	cuộn, cuốn
fade động từ	/feɪd/	nhòa

Cụm động từ bạn sẽ nghe

Từ	Nghĩa
back up động từ	lùi

Ngữ pháp trong video

Những cấu trúc người nói dùng nhiều nhất, kèm đúng cụm từ trong video:

Cấu trúc	Trong video
Câu điều kiện if + mệnh đề, will/would + động từ — điều kiện và kết quả	If you put this earlier, it will not
Câu bị động be + quá khứ phân từ — nhấn vào việc xảy ra, không phải người làm	might be associated · is let · is opened
Mệnh đề quan hệ who / which + mệnh đề — thêm thông tin về người hoặc vật	animation, which is · pixels which is · animating, which is

Phát âm cần chú ý

Người nói dùng 41 dạng rút gọn, ví dụ we're, I'm, don't. Hãy nói theo dạng ngắn đúng như bạn nghe.

Cách luyện với video này

Nghe hết video một lần, chưa cần nói, và ghi lại những từ bạn chưa biết.
Bắt đầu ở tốc độ 0,75×, nói đuổi từng câu, rồi quay lại tốc độ bình thường khi đã quen.
Ghi âm giọng mình rồi so với bản gốc, chú ý các từ như backdrop, translate, fantastically.

Phương Pháp Shadowing Là Gì?

Shadowing là kỹ thuật học ngôn ngữ có cơ sở khoa học, ban đầu được phát triển cho chương trình đào tạo phiên dịch viên chuyên nghiệp và được phổ biến rộng rãi bởi nhà đa ngôn ngữ học Dr. Alexander Arguelles. Nguyên lý cốt lõi đơn giản nhưng cực kỳ hiệu quả: bạn nghe tiếng Anh của người bản xứ và lặp lại to ngay lập tức — như một "cái bóng" (shadow) đuổi theo người nói với độ trễ chỉ 1–2 giây. Khác với luyện ngữ pháp hay học từ vựng bị động, Shadowing buộc não bộ và cơ miệng phải đồng thời xử lý và tái tạo ngôn ngữ thực tế. Các nghiên cứu khoa học xác nhận phương pháp này cải thiện đáng kể phát âm, ngữ điệu, nhịp điệu, nối âm, kỹ năng nghe và độ lưu loát khi nói — đặc biệt hiệu quả cho người luyện IELTS Speaking và muốn giao tiếp tiếng Anh tự nhiên như người bản ngữ.

Phương pháp shadowing: đọc hướng dẫn từng bước đầy đủ →

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Từ vựng quan trọng trong video

Cụm động từ bạn sẽ nghe

Ngữ pháp trong video

Phát âm cần chú ý

Cách luyện với video này

Phương Pháp Shadowing Là Gì?