Практика Shadowing: Native popovers with smooth animations (no JS required) - Изучайте разговорный английский по видео
Создание урока...
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If you want to learn how to make a popover like this one
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that opens and closes with a different transition for when it's opening and closing and no JavaScript at all involved, well, then you're in the right place.
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All right, so let's dive in here.
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First thing we're going to look at is I have my article, I have this div, whatever, it doesn't matter.
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The important thing is the button that I have right here
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that I put an outline on it just so we can see it.
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And if I come all the way down over here, near the bottom somewhere, I have this author popover div.
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completely separate from everything else.
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This is one of the cool things with these is you can literally put them anywhere.
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It will not have an impact on accessibility for the flow of stuff.
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People will be able to get into it through keyboard and everything.
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So you put the popovers where you need them to be.
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If it makes more sense to put it somewhere else in the DOM, you can, but I just wanted to show that we could do this.
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And the important thing is I have this popover attribute on here.
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If I remove that, first of all, do this to style it because that will actually let you see
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there it vanishes into the ether it's still there just we
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can't see it it's hidden away there's some user agent styles making sure
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that we can't see it including a display none on there
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so what we want is when i click the button we want
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that popover to show up so how do we do
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that well because this has an id on it of author popover
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and i have my popover on there all i need to do on my button is come here
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and i write pop over target and let's just put this on another line
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so we can see it so i do a And it is say is equal to.
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And in this case, it was author popover.
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If you have multiple ones, you might, you know, you're adding this in via GS somehow.
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GS?
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JS somehow.
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Whether it's server side rendered or whatever, you can have like the actual name.
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So each button is targeting a different popover.
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And just by having this on here, if I click on that, it opens.
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And I can click anywhere to dismiss it.
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So it's a light dismiss.
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Clicking anywhere dismisses it.
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If I push escape, it also dismisses it.
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it I you know my focus is inside of that now so
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if you have other focusable things as soon as it's opened
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the first thing you will get to is inside of there as you would expect
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so that's an important thing to know about.
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even though it's later on in the DOM, right?
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So this works.
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It doesn't look very good, though.
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So you probably want to style these a bit differently.
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There's some interesting user agent styles that are on here that can actually, for the way you want popovers to generally work, I'm not a huge fan of the user agent styles,
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but they're worth looking at.
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matter you want that on there anyway.
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You can also see it's using position fixed.
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It has a position anchor of auto.
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That's really interesting.
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We'll talk more about what that means in a minute.
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We have the width of fit content, a height of fit content, so it's fitting the content.
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It has some default colors that are the canvas text in canvas.
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In set of zero because it's positioned with a margin of auto, which is why it's centered.
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A lot of these things you don't want, especially because of this position anchor of auto that's on there.
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And so yeah, let's sort of dive through fix this up a little bit.
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And actually I'm going to put a link to an article from Manuel, who I'm not even going to try and say his last name,
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but he has a CSS reset that he's created or base, I don't know, he talked about it during CSS day recently,
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but in there he actually has like a smart reset type of thing you might want to apply for popovers, uh, that stop some of the default styles from sort of getting in the way.
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So the first thing I'm going to say is, though, make sure that you don't do a display here.
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So say you need display grid on this, which I am going to be using grid on here.
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The problem with throwing display grid on there is you overwrite that user agent style of display none.
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So it means it never disappears.
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Like I'm clicking, this should be gone.
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I'm pushing escape.
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You cannot get rid of it.
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So you could throw this on there to style it, make it look good.
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But once you've done that, just make sure you take the display off.
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And we'll talk more about where you put the display in a second.
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these styles in here just to give myself a little bit of a same starting point.
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So if I click on here, it opens up and it looks a little bit better.
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It's still centered on the page, though, which is probably not what you want.
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It's not the end of the world.
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Maybe you like that and that's completely fine if that's the case.
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And it is using position fixed.
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So we'll sort of stay in that space.
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But we saw with those user agent styles, there's the inset of zero, which means top, bottom, left and right of zero, and a margin of auto.
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and because I've given it a size it's just perfectly centered in the viewport.
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Again maybe that's what you want but I think this is sort of the things
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that I would often overwrite here would be to actually say that it has a margin of zero
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and an inset of auto.
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And doing that means now when it opens, it's opening top right.
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Now again, this isn't perfect.
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Popovers have slightly better support than anchor positioning.
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So I'm going to be using anchor positioning in this one, which is one of those funny things, actually have it here, where it's going to say limited availability across major browsers,
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but it's in all the major browser engines.
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And it's just because it's kind of buggy for some stuff.
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And they're still fixing in terms of that.
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So this could be something where you use the default positioning.
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Maybe we'll do that.
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Let's do that.
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I'm talking about it.
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Let's show you how to do that.
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So we could say is at supports.
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Let's just say anchor name of anchor.
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And then we could put in, not all of that, our margin of zero and our inset of auto.
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And so that means if this is supported, we'll be able to do our anchor positioning on it.
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If this isn't supported, right, that means, let's just comment that out, if it's not supported, it doesn't really break and it just opens in the middle of the screen.
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So I think a nice little compromise there for a progressive enhancement along the way.
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Now I actually want it to link to where my red button thing is there though.
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When we click it, it should be a line there.
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And this is where that anchor name of auto is really cool
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because it has an implicit anchor to the thing that triggered it and opened it.
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So this button, it's automatically anchored to this button.
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So if I have an inside of auto, which just basically means inside of nothing.
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And now what I can do is come in here and say position area.
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And I'm going to say this is going to be on the bottom.
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And because it has that implicit anchor, when I click there, it's on the bottom of my red thing.
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It's coming out on top of the red line because I used an outline instead of a border.
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But yeah, it's set up on the bottom.
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Maybe I don't want it touching the left of the screen.
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We could add margins around this.
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I said margin zero.
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Maybe I want margin of one, just so it's pushed off in every direction by a little bit.
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Super cool, right?
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And it's just there.
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Or maybe I want it to come up on the side over here.
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I get to say position area is on the right.
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And then when I click on there, it opens up on the right side.
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awesome so cool that this works
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but let's say we wanted it not to open to the right
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but we actually wanted to open to the top uh what
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if i do that and i click this it actually covers it
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because it's trying not to let it overflow right it would stick off the screen
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if not it's not the end of the world
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because it's a light dismiss so it's easy to get rid of
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but it's kind of weird that it covered the content
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that opened it so you know that's
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because we're close to the top maybe i want it to open to the top most of the time
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because let's say like you know there's other stuff on the page So now if I click on that, it's on the top.
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This makes sense.
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But then we run in, you know, that sort of sucks.
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And if I click on it now, now it covers.
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That's kind of awkward.
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So what we can do here is a position try and say flip block.
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Because we're trying to open on the top.
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I actually want it to flip and open on the bottom.
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So if I do that, it opens.
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But look at this.
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As soon as it runs out of space, it flips over.
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Boop!
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That's already pretty cool.
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But that also means that if I open it, it's opening on the bottom right away because there wasn't enough room on the top.
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Thank you.
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It's so cool that we can do this.
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I also have a margin of one, but let's say I only did the margin on the bottom of one.
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Right?
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Because when I was first styling it, I just wanted that margin space here.
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Not all properties, but some properties will flip along with it.
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So the margin bottom, when this flips to the other one, is actually putting the margin on the top instead.
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And of course, this would be the same if I did a block.
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end we'd get the exact same result so we get the block end margin
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and then that margin follows through here
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and of course we probably don't want it touching the side of the page
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so what we could do is we want position area at top span to the right
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and that means now it's going to line up with the left side more
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and span all the way across that way so top
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but spanning towards the right side which is a nice little touch
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that we can add to it cool there's a lot more to anchor
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if you want to dive into more including articles
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and i don't know if i've done a video on it i don't think i have
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but i might have if i have i'll put the link to
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that as well uh but there's going to be some stuff from odd bird
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that goes into so much more we can do with anchor positioning
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it is a huge topic but uh what i want to look at now is
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when we click this or dismiss it
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or bring it in i don't want to just up here we wanted to do something a little prettier
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so to be able to do
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that what we're going to do oh i did want to mention something display grid now before we move on
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want to change the display type
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because you want some styling here where you want to do
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that is in the end uh pop over open
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which is a new pseudo class that we have so it's
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when the author pop over is opened we can do a change your display type there
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so if you want flex
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or grid i'm going to do a grid grid template columns of an auto one fr
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and i think we probably want a gap in there too But the display property is the one.
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So now I get my two columns coming in.
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Wanted to mention that.
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So pop over open is what it looks like when it's open.
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And the reason I thought of that is because I said I wanted to animate everything.
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So normally we can't do a transition or animation between a display of none, which it has by default, and a display of block.
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But we can, or grid or anything else.
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Now we can do that.
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So let's say by default we want this to actually have an opacity of zero because we want it to fade in.
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Thank you.
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It has the display none there.
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You could declare it.
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I'm not going to but you know what let's put it display None, it's redundant, but just to be explicit about what's happening.
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We're going from a display none with an opacity of zero and let's add a translate Translate down.
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I always get these mixed up.
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So X is first. So zero.
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I'm going to do 30 pixels here.
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The only other thing I need here is an opacity of one.
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So we actually see it when it's opened.
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So if I click on that, yeah, it's translated down a little bit.
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And I'll fix this once we bring in this next step, which is to do...
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we have...
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I'm trying to think, there's two different properties and I always mix them up.
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But we're going to do a transition. So transition.
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We need to transition our display type.
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We want to transition our overlay, which is...
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I I'm going to put it anyway.
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The overlay we saw that in and that was the thing
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that had the important on it in the dev tools
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and you need for popovers and for modals
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when there it's anything that's using top layer
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and that's the other thing with popovers is they use a top layer
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so you don't have to worry about z index issues it's
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always going to be on top until you start dealing with multiple popovers and multiple things on the top layer.
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We're going to say display overlay and our the different things that we do.
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So let's just say this is our transition property.
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Right, so we're going to do all of those.
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But then the reason I'm doing these separately is just so we can give them all the same timing.
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So transition duration, instead of repeating it over and over again, let's just say this will be for demo purposes, we'll make it slow and then speed it up.
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And the last thing that's really important is our transition behavior.
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And this is going to be a allowed discrete.
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I think this is the one that I mix up sometimes.
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But display is something that allows for discrete animations.
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And what a discrete animation is.
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Discrete animation is something like a display type.
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It doesn't have anything to interpolate in between the two states.
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So it has to just jump at one point, which traditionally speaking, transitions just meant it wouldn't do it, right?
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It would just instantly switch.
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With an animation, it was a bit different.
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It would happen at, I think, the 50 % point.
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So a transition behavior allowed discrete, by doing it as the longhand for each of these, it means it's applying it to all of these,
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which it doesn't really change anything for opacity or our translate, but it does, or it is required for our display and our overlay here.
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So now you can see there, ha, it works not that way, but when I dismiss, It is working my translate.
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We're also going to do that's weird.
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Actually, I see it jumping in a weird way.
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Oh, the display has doing something weird there too.
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We'll figure that one out.
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Display type.
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The grid is going away.
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in an unexpected way.
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Hmm, that's an interesting one.
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We'll figure that one out.
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But we can see at least it's fading away.
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So to get around this because of the way.
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What's happening is it's instantly putting the display type on, but when you go from display none to display something, it's there all of a sudden.
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So it's not coming in with the opacity of zero or this translate that we've put on there.
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It's just coming in existing.
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And so it doesn't realize any of the properties that were applied to it previously.
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So to fix that, on our popover open, we come in with an at starting style.
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And this has to come last.
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Very, very important in the order here, which can feel a little bit weird, but we do our at starting style.
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And our at starting style will be an opacity of zero and a translate of, and I'm going to use the same one we did here,
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but this is where starting style can actually get kind of interesting because they don't have to be the same.
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So now when I click on this, it's going to appear. And then when I...
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click away, it will disappear.
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Now there's a few weird things happening that we will figure out why the layout is changing.
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We can see it's working in both directions.
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The last thing I want here is a translate of zero pixels, zero pixels.
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because when I click on it, I want it to sort of slide up a little bit.
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And then when I click away, I want it to slide back down.
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It's kind of weird, right?
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This sort of makes sense.
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We're coming from the button.
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It's too slow, but it's coming up.
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But then when I close it, I want this to be different.
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I want to sort of fade away upward.
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So that's why the starting style is cool.
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We can do different opening and closing animations.
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So it's going to slide up that way.
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And then I click here, it's going to slide on up that way.
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Now, why is the display?
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not working as intended, and I discovered the problem.
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Very silly of me, but I set the display grid here, which has to be here.
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The problem is when it's it's opening, it has all of those things on it.
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But when I close, This is only when it's open, and we're not transitioning our Gap or Grid Template columns.
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So these actually need to be always there.
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So the popover opened, We have a gap, we have a grid template columns, and that means when we're closing it, while the grid is still there on that transition outwards,
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it's keeping those applied.
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I mentioned we could include them up there.
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So that's one of those like gotchas that can come along.
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So there we go.
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It works that way.
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And it holds those styles as it fades off.
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Little gotcha that can come up there, which might even be worthy of having a comment if you're playing around with this, right?
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So if you're creating this, leaving a comment here could be useful for your future self or your coworkers.
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And now I think we have that set up.
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So let's just fix this transition duration because two seconds is really fast.
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Maybe we're going to 0 .75 or something, which is probably still kind of slow.
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But I think that's pretty good, especially because it can be interacted with right away.
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Yeah, I'm pretty happy with that.
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There we go.
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And as I said, let's get rid of that.
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Did you do the outline?
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And with that gone, we have a nice little thing.
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It pops up.
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It switches axes.
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If there's not enough room, it's not doing it on the bottom.
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But if we ran out of room on the bottom, it would flip around the other way.
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It opens and closes.
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So I hope you enjoyed this video.
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Learned a few things along the way.
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And I want 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 continued support.
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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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Контекст и фон
В данном видео обсуждается, как создать всплывающее окно (popover) с плавной анимацией без использования JavaScript. Автор пошагово показывает, как создать взаимодействие между кнопкой и всплывающим окном, а также упоминает важность доступности для пользователей, использующих клавиатуру. Это видео будет полезно тем, кто хочет углубить свои знания в веб-разработке, а также тем, кто стремится улучшить свои навыки общения на английском языке в контексте технической документации.
Топ-5 фраз для повседневного общения
- If you want to learn how to... - Если вы хотите узнать, как...
- When I click the button... - Когда я нажимаю кнопку...
- Let’s dive in here... - Давайте углубимся в это...
- It will not have an impact on... - Это не повлияет на...
- You can literally put them anywhere... - Вы можете буквально разместить их в любом месте...
Пошаговое руководство по shadowing
Если вы хотите улучшить произношение английского языка, практикуйте shadow speak с использованием видео, описанного выше. Вот как вы можете справиться с трудностями данного видео:
- Сначала прослушайте видео несколько раз, чтобы уловить общий смысл и структуру. Обратите внимание на интонацию и ритм речи.
- После того как вы освоили общий контекст, начните практиковать каждую из ключевых фраз по очереди. Сначала повторяйте их про себя, затем вслух.
- Записывайте себя, произнося фразы, и слушайте запись. Это поможет вам заметить ошибки в произношении и коррекции в будущем.
- Повторяйте фразы в контексте. Попытайтесь использовать их в своих разговорах на английском языке, чтобы закрепить понимание.
- Регулярно возвращайтесь к видео и продолжайте практиковать. Чем больше вы будете заниматься, тем легче будет улучшить произношение английского.
Таким образом, сочетание просмотра видео и активной практики shadowspeaks поможет вам значительно повысить уровень владения разговорным английским. Начните уже сегодня!
Грамматика в этом видео
Конструкции, которые говорящий использует чаще всего, с точными словами из видео:
| Конструкция | В видео |
|---|---|
| Условные предложения if + предложение, will/would + глагол — условие и его результат | if this is supported, we'll be · if i have i'll put |
| Придаточные определительные who / which + предложение — уточнение о человеке или предмете | auto, which is · though, which is · zero, which means |
| Пассивный залог be + причастие прошедшего времени — важно, что происходит, а не кто это делает | is supported · isn't supported · is opened |
| Present Perfect have/has + причастие прошедшего времени — прошлое действие, важное сейчас | you've done · I've given · i've done |
Что такое техника Shadowing?
Shadowing — это научно обоснованная техника изучения языка, изначально разработанная для подготовки профессиональных переводчиков и популяризированная полиглотом доктором Александром Аргуэльесом. Метод прост, но эффективен: вы слушаете аудио на английском от носителей языка и немедленно повторяете вслух — как тень, следующая за говорящим с задержкой в 1–2 секунды. В отличие от пассивного прослушивания или грамматических упражнений, Shadowing заставляет мозг и мышцы рта одновременно обрабатывать и воспроизводить реальные речевые паттерны. Исследования показывают, что это значительно улучшает точность произношения, интонацию, ритм, связную речь, понимание на слух и беглость речи — что делает его одним из самых эффективных методов для подготовки к IELTS Speaking и реального общения на английском.