How can I make this transition smooth instead of it jumping up
3
I am trying to implement a notification system in my app without the use of a library. Here is a gif of the issue: https://imgur.com/oRc11dM
And here is the jsfiddle of the gif: https://jsfiddle.net/w9yk7n54/
When you click on new notification button, already displayed notifications jump up to make room for the new notification and new notification slides in. I was wondering how I could make it so that they all smoothly go up together.
The notifications wont all be the same dimensions so I cant set static values for height/etc.
Thank you!
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%)
}
20% {
transform: translateY( 0)
}
80% {
transform: translateY( 0)
}
100% {
transform: translateY( 100%)
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>javascript css animation css-animations
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
asked Nov 14 '18 at 21:05
SynSyn
645
add a comment |
3
I am trying to implement a notification system in my app without the use of a library. Here is a gif of the issue: https://imgur.com/oRc11dM
And here is the jsfiddle of the gif: https://jsfiddle.net/w9yk7n54/
When you click on new notification button, already displayed notifications jump up to make room for the new notification and new notification slides in. I was wondering how I could make it so that they all smoothly go up together.
The notifications wont all be the same dimensions so I cant set static values for height/etc.
Thank you!
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%)
}
20% {
transform: translateY( 0)
}
80% {
transform: translateY( 0)
}
100% {
transform: translateY( 100%)
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>javascript css animation css-animations
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
asked Nov 14 '18 at 21:05
SynSyn
645
add a comment |
3
3
3
I am trying to implement a notification system in my app without the use of a library. Here is a gif of the issue: https://imgur.com/oRc11dM
And here is the jsfiddle of the gif: https://jsfiddle.net/w9yk7n54/
When you click on new notification button, already displayed notifications jump up to make room for the new notification and new notification slides in. I was wondering how I could make it so that they all smoothly go up together.
The notifications wont all be the same dimensions so I cant set static values for height/etc.
Thank you!
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%)
}
20% {
transform: translateY( 0)
}
80% {
transform: translateY( 0)
}
100% {
transform: translateY( 100%)
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>javascript css animation css-animations
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
asked Nov 14 '18 at 21:05
SynSyn
645
I am trying to implement a notification system in my app without the use of a library. Here is a gif of the issue: https://imgur.com/oRc11dM
And here is the jsfiddle of the gif: https://jsfiddle.net/w9yk7n54/
When you click on new notification button, already displayed notifications jump up to make room for the new notification and new notification slides in. I was wondering how I could make it so that they all smoothly go up together.
The notifications wont all be the same dimensions so I cant set static values for height/etc.
Thank you!
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%)
}
20% {
transform: translateY( 0)
}
80% {
transform: translateY( 0)
}
100% {
transform: translateY( 100%)
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%)
}
20% {
transform: translateY( 0)
}
80% {
transform: translateY( 0)
}
100% {
transform: translateY( 100%)
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%)
}
20% {
transform: translateY( 0)
}
80% {
transform: translateY( 0)
}
100% {
transform: translateY( 100%)
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>javascript css animation css-animations
javascript css animation css-animations
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
asked Nov 14 '18 at 21:05
SynSyn
645
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
asked Nov 14 '18 at 21:05
SynSyn
645
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
edited Nov 14 '18 at 23:20
Andrei Gheorghiu
35.5k74774
35.5k74774
asked Nov 14 '18 at 21:05
SynSyn
645
asked Nov 14 '18 at 21:05
SynSyn
645
asked Nov 14 '18 at 21:05
SynSyn
645
645
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
1
Your notif container has justify-content: flex-end. This means that whenever you add a new one, the previous ones will be pushed up with the height of the new one.
The "fix" is to give each element a negative margin-top equal to its height and integrate in your current transition getting margin-top back to 0.
Example:
let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
add a comment |
0
An idea is to insert new element with a height equal to 0 and you animate the height in addition to translate. Of course, you should use max-height since height are unknown and we cannot animate to auto:
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
While in principle you're right, I find setting theheightto0less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards0, regardless ofheight.
– Andrei Gheorghiu
Nov 14 '18 at 22:11
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
If the height is variable you can't make a solution with CSS alone. In order to animatemax-heightsmoothly you'd need to animate it towards theheightvalue. Otherwise it will either jump or not animate for the entire time (when you animatemax-heightpastheight, the element doesn't change).
– Andrei Gheorghiu
Nov 14 '18 at 22:20
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
1
Your notif container has justify-content: flex-end. This means that whenever you add a new one, the previous ones will be pushed up with the height of the new one.
The "fix" is to give each element a negative margin-top equal to its height and integrate in your current transition getting margin-top back to 0.
Example:
let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
add a comment |
1
Your notif container has justify-content: flex-end. This means that whenever you add a new one, the previous ones will be pushed up with the height of the new one.
The "fix" is to give each element a negative margin-top equal to its height and integrate in your current transition getting margin-top back to 0.
Example:
let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
add a comment |
1
1
1
Your notif container has justify-content: flex-end. This means that whenever you add a new one, the previous ones will be pushed up with the height of the new one.
The "fix" is to give each element a negative margin-top equal to its height and integrate in your current transition getting margin-top back to 0.
Example:
let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
Your notif container has justify-content: flex-end. This means that whenever you add a new one, the previous ones will be pushed up with the height of the new one.
The "fix" is to give each element a negative margin-top equal to its height and integrate in your current transition getting margin-top back to 0.
Example:
let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>let btn = document.querySelector('button'),
container = document.querySelector('.notifications-container'),
notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>",
"<code>another.test()</code>",
"<strong>another</strong> <i>test</i>"
]
btn.onclick = () => {
let notif = document.createElement('div'),
index = Math.floor(Math.random() * notif_contents.length)
notif.classList.add('notif')
notif.innerHTML = notif_contents[index]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
container.append(notif)
notif.style.marginTop = '-' + notif.offsetHeight + 'px'
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid #888;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-bottom: none;
animation: notifAnim 5s forwards;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0%,
100% {
transform: translateY( 100%)
}
20%,
80% {
transform: translateY( 0);
margin-top: 0
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
edited Nov 14 '18 at 22:48
answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
answered Nov 14 '18 at 22:06
Andrei GheorghiuAndrei Gheorghiu
35.5k74774
35.5k74774
add a comment |
add a comment |
0
An idea is to insert new element with a height equal to 0 and you animate the height in addition to translate. Of course, you should use max-height since height are unknown and we cannot animate to auto:
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
While in principle you're right, I find setting theheightto0less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards0, regardless ofheight.
– Andrei Gheorghiu
Nov 14 '18 at 22:11
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
If the height is variable you can't make a solution with CSS alone. In order to animatemax-heightsmoothly you'd need to animate it towards theheightvalue. Otherwise it will either jump or not animate for the entire time (when you animatemax-heightpastheight, the element doesn't change).
– Andrei Gheorghiu
Nov 14 '18 at 22:20
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
add a comment |
0
An idea is to insert new element with a height equal to 0 and you animate the height in addition to translate. Of course, you should use max-height since height are unknown and we cannot animate to auto:
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
While in principle you're right, I find setting theheightto0less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards0, regardless ofheight.
– Andrei Gheorghiu
Nov 14 '18 at 22:11
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
If the height is variable you can't make a solution with CSS alone. In order to animatemax-heightsmoothly you'd need to animate it towards theheightvalue. Otherwise it will either jump or not animate for the entire time (when you animatemax-heightpastheight, the element doesn't change).
– Andrei Gheorghiu
Nov 14 '18 at 22:20
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
add a comment |
0
0
0
An idea is to insert new element with a height equal to 0 and you animate the height in addition to translate. Of course, you should use max-height since height are unknown and we cannot animate to auto:
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
An idea is to insert new element with a height equal to 0 and you animate the height in addition to translate. Of course, you should use max-height since height are unknown and we cannot animate to auto:
let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>let btn = document.querySelector('button')
let container = document.querySelector('.notifications-container')
let notif_contents = [
"<p>1</p><p>1</p><p>1</p><p>1</p>",
"<p>test</p>",
"<div><h1>testtesttest</h1><p>yoloalsdfasdf</p></div>"
]
let current = 0
btn.onclick = () => {
let notif = document.createElement('div')
notif.classList.add('notif')
notif.innerHTML = notif_contents[current]
notif.addEventListener('animationend', () => {
notif.parentElement.removeChild(notif)
})
current++
container.append(notif)
}* {
box-sizing: border-box;
}
.container {
height: 300px;
width: 400px;
border: 1px solid black;
position: absolute;
}
.notifications-container {
position: absolute;
top: 0;
right: 0;
height: 100%;
width: 200px;
background: rgba( 0, 0, 0, 0.2);
display: flex;
flex-flow: column nowrap;
justify-content: flex-end;
overflow: hidden;
}
.notif {
position: relative;
width: 100%;
padding:0 10px;
max-height:0px;
border: 1px solid black;
animation: notifAnim 5s forwards;
transition: all .2s;
background: white;
}
button {
z-index: 100;
background: lightcoral;
color: white;
border: none;
padding: 10px;
font-size: 20px;
margin: 5px;
}
@keyframes notifAnim {
0% {
transform: translateY( 100%);
max-height:0;
padding:0 10px;
}
30% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
80% {
transform: translateY( 0);
max-height:300px;
padding:10px;
}
100% {
transform: translateY( 100%);
max-height:300px;
padding:10px;
}
}<div class="container">
<button>New Notification</button>
<div class="notifications-container"></div>
</div>answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
answered Nov 14 '18 at 21:41
Temani AfifTemani Afif
74.3k94386
74.3k94386
While in principle you're right, I find setting theheightto0less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards0, regardless ofheight.
– Andrei Gheorghiu
Nov 14 '18 at 22:11
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
If the height is variable you can't make a solution with CSS alone. In order to animatemax-heightsmoothly you'd need to animate it towards theheightvalue. Otherwise it will either jump or not animate for the entire time (when you animatemax-heightpastheight, the element doesn't change).
– Andrei Gheorghiu
Nov 14 '18 at 22:20
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
add a comment |
While in principle you're right, I find setting theheightto0less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards0, regardless ofheight.
– Andrei Gheorghiu
Nov 14 '18 at 22:11
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
If the height is variable you can't make a solution with CSS alone. In order to animatemax-heightsmoothly you'd need to animate it towards theheightvalue. Otherwise it will either jump or not animate for the entire time (when you animatemax-heightpastheight, the element doesn't change).
– Andrei Gheorghiu
Nov 14 '18 at 22:20
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
While in principle you're right, I find setting the
height to 0 less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards 0, regardless of height.– Andrei Gheorghiu
Nov 14 '18 at 22:11
While in principle you're right, I find setting the
height to 0 less robust in the open, as it sometimes reflows contents. You also have the disadvantage of having to "remember" the height and animate towards it. Negative margin seems to be a more reliable solution, IMHO. No reflow and you always animate towards 0, regardless of height.– Andrei Gheorghiu
Nov 14 '18 at 22:11
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
@AndreiGheorghiu I was thinking pure CSS and forget at the end that we are using JS and we have the flexibility to get different value like height, etc ... I thought about the margin animation but didn't find the CSS solution of it.
– Temani Afif
Nov 14 '18 at 22:17
If the height is variable you can't make a solution with CSS alone. In order to animate
max-height smoothly you'd need to animate it towards the height value. Otherwise it will either jump or not animate for the entire time (when you animate max-height past height, the element doesn't change).– Andrei Gheorghiu
Nov 14 '18 at 22:20
If the height is variable you can't make a solution with CSS alone. In order to animate
max-height smoothly you'd need to animate it towards the height value. Otherwise it will either jump or not animate for the entire time (when you animate max-height past height, the element doesn't change).– Andrei Gheorghiu
Nov 14 '18 at 22:20
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
@AndreiGheorghiu yes that's why the only CSS solution is to consider a value big enough to be sure it will also be toward height which is easy in this case since the container has a fixed height and the notification are small.
– Temani Afif
Nov 14 '18 at 22:29
add a comment |
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