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javascript img slide not fading

I have a javascript that changes the IMG every 5 seconds and it works fine. The issue is I tried to add a fade transition effect on it but it is not being applied to it. Where did I go wrong? Any help is appreciated. Thanks in advance.
let images = ['Img2.jpg', 'Img3.jpg', 'Img4.jpg', 'Img5.jpg'];
let index = 0;
const imgElement = document.querySelector('#mainDisplayImg');
function change() {
imgElement.src = images[index];
index > 1 ? index = 0 : index++;
}
window.onload = function() {
setInterval(change, 5000);
};
.mainDisplay {
display: flex;
justify-content: center;
position: absolute;
top: 2%;
}
.mainDisplay img {
width: 75%;
height: 600px;
}
.slide {
width: 100%;
height: 100%;
opacity: 0;
z-index: 1;
-webkit-transition: opacity 1s;
-moz-transition: opacity 1s;
-o-transition: opacity 1s;
transition: opacity 1s;
}
.active {
opacity: 1;
z-index: 2;
}
<div class="mainDisplay">
<img id="mainDisplayImg" src="Img1.jpg">
<img class="slide active" src="Img2.jpg" style="display: none">
<img class="slide" src="Img3.jpg" style="display: none">
<img class="slide" src="Img4.jpg" style="display: none">
<img class="slide" src="Img5.jpg" style="display: none">
</div>

First of all, if you want any kind of transitions, don't use display: none it just doesn't play nice. You can "hide" elements by placing them outside of view area instead;
Second since you already have predefined images in the html, you don't have to duplicate them in javascript, you can cycle through html elements instead and set active class:
let index = 0;
const imgElement = document.querySelector('#mainDisplayImg');
const slides = document.querySelectorAll(".mainDisplay .slide");
function change() {
if (++index >= slides.length)
index = 0;
for(let i = 0; i< slides.length; i++)
slides[i].classList.toggle("active", i == index);
}
window.onload = function() {
setInterval(change, 2000);
};
.mainDisplay {
display: flex;
justify-content: center;
position: absolute;
top: 2%;
}
.mainDisplay img {
width: 75%;
height: 600px;
}
.slide {
width: 100%;
height: 100%;
opacity: 0;
z-index: 1;
-webkit-transition: opacity 1s;
-moz-transition: opacity 1s;
-o-transition: opacity 1s;
transition: opacity 1s;
position: absolute;
top: -100wh; /* hide from view */
}
.active {
opacity: 1;
z-index: 2;
position: initial;
}
<div class="mainDisplay">
<img class="slide active" src="https://lh3.googleusercontent.com/IlhDxQVsR17dwwER5xYZJej867KrdSx0K5eyRP2RFP4eQJMD2pi0ZGBhrMOcajBUP9M54lpmIr90JecPUFGPaRe3sDZ82RvHBSw1rw-YJvQs7J8K3g=w1024-h683-n-l50-sg-rj">
<img class="slide" src="https://lh3.googleusercontent.com/taykG37GWDgY-FGkdogDvsHSJMUGRMvkuVRT6yR-5UNkKvGRKeRlpGYXlslocOcS0txlfUdGW59JGtzADknxbMqnh6AtVCv9EXyB8nHp80YsRNA0Yw=w1024-h683-n-l50-sg-rj">
<img class="slide" src="https://lh3.googleusercontent.com/dTH5_J82_TqXaLW_Hzq1rbMVqfzRWG9PkcKgHdjXphAy9M4MZF5Q7_cQZeM1kbqEYMysrBLlY4szACDZwIbP7Jm17BnGNjT0Tht8Qw=w1024-h683-n-l50-sg-rj">
<img class="slide" src="https://lh3.googleusercontent.com/fl-GT6w3Ls6RT4vYnbkuYUyLY3lZJH8VtZ7xzxiym9YYaoVRCnZehdz6Icd0oAf6i3H9-O5cCNs6eunlxWr_Csstgsb98DdzNdLFBOlhw9NUfHdyuQjI=w768-h1024-n-l50-sg-rj">
</div>

This should work for you.
const imgElement = document.querySelectorAll('.slide');
let i = 1;
window.onload = function () {
setInterval(function () {
i = i % 5;
imgElement[i].classList.add('active');
imgElement[i].previousElementSibling?.classList.remove('active');
if (i == 0 && imgElement[4].classList.contains('active')) {
imgElement[4].classList.remove('active');
}
i++;
}, 5000);
};
.mainDisplay {
display: flex;
justify-content: center;
position: absolute;
top: 2%;
}
.mainDisplay img {
width: 75%;
height: 600px;
}
.slide {
width: 100%;
height: 100%;
display: none;
}
.active {
display: block;
animation: fadeIn 1s;
}
#keyframes fadeIn {
0% {
opacity: 0;
}
100% {
opacity: 1;
}
}
<div class="mainDisplay">
<!-- <img id="mainDisplayImg" src="./Img1.jpg" /> -->
<img class="slide active" src="./Img1.jpg" />
<img class="slide" src="./Img2.jpg" />
<img class="slide" src="./Img3.jpg" />
<img class="slide" src="./Img4.jpg" />
<img class="slide" src="./Img5.jpg" />
</div>

Animate a div to full screen from its position

I want to expand a div to full screen on clicking on it. Just like
this Fiddle js link here
I want to animate the same from its position. if I click the box it feels like expanding from its position please help me to achieve that
$('.myDiv').click(function(e){
$(this).toggleClass('fullscreen');
});
.myDiv{background:#cc0000; width:100px; height:100px;float:left:margin:15px;}
.myDiv.fullscreen{
z-index: 9999;
width: 100%;
height: 100%;
position: fixed;
top: 0;
left: 0;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="myDiv">
my div
<button>Full Screen</button>
</div>
<div class="myDiv">
my div 2
<button>Full Screen</button>
</div>

Fullscreen animation
Now making a element fullscreen is pretty simple. It could be done with css alone.
.content {
display: inline-grid;
width: 150px;
height: 100px;
background-color: cornflowerblue;
border-radius: 3px;
transition: width 2s, height 2s;
margin: 10px;
}
.content button {
display: inline-block;
justify-self: center;
align-self: center;
height: 2em;
}
.content:hover {
width: 100vw;
height: 1200vh;
}
<div class="container">
<div class="content">
<button>Fullscreen</button>
</div>
</div>
<div class="content"></div>
Just adding a transition will make the element brake the layout.
To not break a layout you need:
Replace the element. (Below the Visibility : hidden element).
Give it an Absolute position.
Then set its width to fullscreen and animate its position so it can cover it.
Added an animation, transition
//Function is run on page load
$(function() {
var full = $(".fullscreen");
//Loops over all elements that have the class fullscreen
full.each(function(index, elem) {
$(elem).click(fullscreenClick);
});
function fullscreenClick() {
//The button is this
//We want to clone the parent
var box = $(this).parent();
//create a holder box so the layout stays the same
var holder = $(box).clone(false, true);
//and make it not visible
$(holder).css({
"visibility": "hidden"
});
//Get its position
var pos = $(box).position();
//Substitute our box with our holder
$(box).before($(holder));
//Set the position of our box (not holder)
//Give it absolute position (eg. outside our set structure)
$(box).css({
"position": "absolute",
"left": pos.left + "px",
"top": pos.top + "px",
});
//Set class so it can be animated
$(box).addClass("fullscreen");
//Animate the position
$(box).animate({
"top": 0,
"left": 0,
}, 3000);
}
});
* {
margin: 0;
padding: 0;
}
.container {
display: inline-block;
}
.container .element {
display: inline-block;
background-color: cornflowerblue;
margin: 5px;
padding: 10px;
width: 70px;
height: 30px;
transition: width 3s, height 3s;
;
}
.container .element.fullscreen {
width: calc(100vw - 30px);
height: calc(100vh - 30px);
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="container">
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
<div class="element">
<button class="fullscreen">Fullscreen</button>
</div>
</div>

You can add animation on all styles changes adding next properties to myDiv class:
/* Animate all changes */
-webkit-transition: all 0.5s ease;
-moz-transition: all 0.5s ease;
-o-transition: all 0.5s ease;
transition: all 0.5s ease;
I will show the changes on your example:
$('.myDiv').click(function(e)
{
$(this).toggleClass('fullscreen');
});
.myDiv{
background:#cc0000;
width:100px;
height:100px;
float:left:
margin:15px;
/*Animations*/
-webkit-transition: all 0.5s ease;
-moz-transition: all 0.5s ease;
-o-transition: all 0.5s ease;
transition: all 0.5s ease;
}
.myDiv.fullscreen{
z-index: 9999;
width: 100%;
height: 100%;
position: fixed;
top: 0;
left: 0;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="myDiv">
my div 1
<button>Full Screen</button>
</div>
<div class="myDiv">
my div 2
<button>Full Screen</button>
</div>

It's a bit of a complicated task, but this should give you an idea of how it's done. This code will run into some issues (clicking quickly will stack setTimeout) but does the basics.
The idea is that you calculate the current position of the element with getBoundingClientRect() and set initial position values with that, so that when you adjust the position to fixed, it will look as though it's still in the same spot - then when you override those values with the .fullscreen css, the transition property will allow them to animate.
The biggest issue here, which you'll notice if you click on the first div, is that it disappears from the layout and causes the second div to jump up to where it was, you'd probably need a way of preserving the layout. Hopefully this is helpful as a starting point anyway.
function getPosition(elem){
const rect = elem.getBoundingClientRect()
return {
top: rect.top,
left: rect.left,
width: rect.width,
height: rect.height
}
}
function toPx(val){
return [val, 'px'].join('')
}
$('.myDiv').click(function(e){
if(this.classList.contains('fullscreen')){
this.classList.remove('fullscreen')
setTimeout(e => this.style.position = 'static', 1000)
//close
} else {
//open
let pos = getPosition(this)
this.style.width = toPx(pos.width)
this.style.height = toPx(pos.height)
this.style.top = toPx(pos.top)
this.style.left = toPx(pos.left)
console.log(pos)
this.classList.add('fullscreen')
this.style.position = 'fixed'
}
});
.myDiv{background:#cc0000; width:100px; height:100px;float:left:margin:15px;}
.myDiv.fullscreen{
z-index: 9999;
width: 100% !important;
height: 100% !important;
top: 0 !important;
left: 0 !important;
}
.animateTransitions {
transition: all 1s;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="myDiv animateTransitions">
my div
<button>Full Screen</button>
</div>
<div class="myDiv animateTransitions">
my div 2
<button>Full Screen</button>
</div>

Here's how i made it:
JQuery: 3.6.0
Css preprocessor: SCSS
CSS Framework: Bootstrap 5.1.0
See it in action:
https://codepen.io/illegalmexican/pen/NWYNVvg
Please note that i was answering a JQuery post. The fowlloing could be made in Vanilla Javascript for better performance. Also keep in mind that this could also be improved in terms of Accessibility standars by having a close button.
Html:
<div class="myDiv-Container">
<div class="row">
<div class="col-6">
<div class="d-flex flex-wrap position-relative">
<div class="myDiv w-50">
<div class="front bg-primary top-left">
<h1>Hello<br>World</h1>
</div>
</div>
<div class="myDiv w-50">
<div class="front bg-success top-right">
<h1>Hello<br>World</h1>
</div>
</div>
<div class="myDiv w-50">
<div class="front bg-danger bottom-left">
<h1>Hello<br>World</h1>
</div>
</div>
<div class="myDiv w-50">
<div class="front bg-warning bottom-right">
<h1>Hello<br>World</h1>
</div>
</div>
</div>
</div>
</div>
</div>
SCSS:
.myDiv-Container {
height: 500px;
width: 500px;
position: relative;
}
.front {
position: relative;
text-align: center;
display: flex;
&.position-absolute {
z-index: 1;
}
&.top-left {
top: 0;
left: 0;
}
&.bottom-left {
bottom: 0;
left: 0;
}
&.top-right {
top: 0;
right: 0;
}
&.bottom-right {
bottom: 0;
right: 0;
}
}
JQuery:
document.addEventListener('DOMContentLoaded', function () {
jQuery('.myDiv').each(function () {
var frontElem = jQuery(this).find('.front');
jQuery(this).on("click", function () {
if (jQuery(this).hasClass('active')) {
jQuery(this).removeClass('active');
jQuery(frontElem).animate(
{
width: jQuery(this).width(),
height: jQuery(this).height(),
},
500, function() {
jQuery(frontElem).removeClass('position-absolute');
jQuery(frontElem).css({
width: '100%',
height: '100%',
});
});
} else {
jQuery(frontElem).css({
width: jQuery(this).width(),
height: jQuery(this).height(),
});
jQuery(frontElem).addClass('position-absolute');
jQuery(this).addClass('active');
jQuery(frontElem).animate({
'width': '100%',
'height': '100%',
}, 500);
}
});
});
});

Fullscreen expand transform and Set element style as a child

English is not my first language so It's hard to explain details but I'll try hard as I can. I'm really really sorry about that.
I'm making thumbnail expanding fullscreen transition.
like google photos, thumbnail should expand to fullscreen and transform animation should apply too.
My method is make a clone of clicked element, then set initial style(top and left, width and height, etc) same as original element and add class which sets position to zero, and make full expanding. width:100vw and height:100vh, top:0 left:0, position:fixed(class .fullscreen) is it.
I borrowed some idea on http://jsfiddle.net/a7nzy6w6/299/ here.
but in setting styles,
clone.style.top = rect.top;
clone.style.left = rect.left;
clone.style.height = img.offsetHeight
clone.style.width = img.offsetWidth
This approach will replace all child classes's top, left and height width. even it will ignore "fullscreen" class too.
So it won't transform or expand and remain original style. If I'm not setting styles, transform animation will not apply.
How am I apply fullscreen expand transform animation? Is there any better solution? or How am I Set element's initial style as a child style without replacing added classes in javascript?
again, I'm really sorry for my english. I tried as I can
by the way, I don't know why element.style is not working in snippet
function handler(element)
{
var type = element.getAttribute("data-type")
switch(type)
{
case "image":
transition_fullscreen(element);
break;
default:
break;
}
}
function transition_fullscreen(element)
{
var img = element.getElementsByClassName('el_view')[0];
var rect = img.getBoundingClientRect();
var clone = img.cloneNode(true);
clone.style.top = rect.top;
clone.style.left = rect.left;
clone.style.height = img.offsetHeight
clone.style.width = img.offsetWidth
clone.classList.add('fullscreen');
var ap = document.getElementById('form').appendChild(clone);
}
#form
{
width: 100%;
text-align:center;
}
#form .element
{
display:inline-block;
float:left;
width: 10%;
height: 20%;
margin: 1.9em;
cursor: default;
transition: background .1s ease-in-out;
animation:animatezoom 0.5s;
}
#form .highlight
{
padding:14px;
transition: transform .1s ease-out;
padding-top:auto;
/*border: 1px solid #ddd;
border-radius: 4px;*/
}
#form .highlight:hover { transform: translateY(-0.5rem) scale(1.0125);
box-shadow: 0 0.5em 1.9rem -1rem rgba(0,0,0,0.5); }
#form .highlight:active { transform:scale(0.8); }
#form .el_img { max-height: 124px; vertical-align: middle; }
#form .el_img img { max-width: 88px; max-height: 124px; margin-top: 5%; border-radius:5px; box-shadow:0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12); border-radius:5px;
opacity: 1;
transition: all 3s;
}
#form .el_img .fullscreen
{
z-index:9999;
max-width:100vw;
max-height:100vh;
width:100vw;
height:100vh;
position:fixed;
top:1%;
left:1%;
transition: all 3s;
}
<div id="form">
<div id="element#somefile.exe" class="element" data-type="image" data-link="somefile.exe" onclick=handler(this); title="somefile.exe">
<div id="highlight#somefile.exe" class="highlight">
<div id="content#somefile.exe" class="content">
<div id="el_img#somefile.exe" class="el_img">
<img id="view#somefile.exe" class="el_view" src="https://lh3.googleusercontent.com/oKsgcsHtHu_nIkpNd-mNCAyzUD8xo68laRPOfvFuO0hqv6nDXVNNjEMmoiv9tIDgTj8=w170">
</div>
<div id="el_name#somefile.exe" class="el_name">
somefile.exe
</div>
</div>
</div>
</div>
<div id="element#somefile.exe" class="element" data-type="image" data-link="somefile.exe" onclick=handler(this); title="somefile.exe">
<div id="highlight#somefile.exe" class="highlight">
<div id="content#somefile.exe" class="content">
<div id="el_img#somefile.exe" class="el_img">
<img id="view#somefile.exe" class="el_view" src="https://lh3.googleusercontent.com/hYQO8ekNvsPWMSzMe6IZdCAT6p8qq-SlzA0jiZstV7qBcWg5kn-39qHY0ZaBPqd3usc=w170">
</div>
<div id="el_name#somefile.exe" class="el_name">
blahblah.exe
</div>
</div>
</div>
</div>
<div id="element#somefile.exe" class="element" data-type="image" data-link="somefile.exe" onclick=handler(this); title="somefile.exe">
<div id="highlight#somefile.exe" class="highlight">
<div id="content#somefile.exe" class="content">
<div id="el_img#somefile.exe" class="el_img">
<img id="view#somefile.exe" class="el_view" src="https://lh3.googleusercontent.com/UMB2HRRRAAzXAEaCM9Gg-baCaDx_1RTXHscW5k2Ge3P4KP4mwTt2m6oyEHBWex3c4SxU=w300">
</div>
<div id="el_name#somefile.exe" class="el_name">
mehhhhh.cool
</div>
</div>
</div>
</div>
</div>

I founded it:
In your CSS you search for your image like:
#form .el_img .fullscreen
This searches elements in #form that are in .el_img and they have a fullsceen class.
But not an element that is in #form and has el_img and fullscreen classes at the same time.
So you need the remove the the space before .el_img from your selection so it looks like this:
#form .el_img.fullscreen {
/* Rest of your code */
And it will work.
Demo: https://www.w3schools.com/code/tryit.asp?filename=FOBUOKP41CYW

I just made it like Google photos.
By adding some HTML, CSS and JS.
This works with all of your products.
Demo:
let modal = document.getElementById('myModal'),
modalImg = document.getElementById('img01'),
captionText = document.getElementById('caption');
function handler(e) {
switch (e.getAttribute('data-type')) {
case 'image':
transition_fullscreen(e);
}
}
function transition_fullscreen(e) {
modal.style.display = 'block',
modalImg.src = e.children[0].children[0].children[0].children[0].src, captionText.innerHTML = e.children[0].children[0].children[1].innerHTML;
}
const close_btn = document.getElementsByClassName('close')[0];
close_btn.onclick = function() {
modal.style.display = 'none';
},
window.onclick = function(e) {
e.target == modal && (modal.style.display = 'none');
};
#myImg,
.close {
transition: .3s;
}
body {
font-family: Arial, Helvetica, sans-serif;
}
#myImg {
border-radius: 5px;
cursor: pointer;
}
#myImg:hover {
opacity: .7;
}
.modal {
display: none;
position: fixed;
z-index: 1;
padding-top: 100px;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: #000;
background-color: rgba(0, 0, 0, .9);
}
#caption,
.modal-content {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
}
#caption {
text-align: center;
color: #ccc;
padding: 10px 0;
height: 150px;
}
#caption,
.modal-content {
-webkit-animation-name: zoom;
-webkit-animation-duration: .6s;
animation-name: zoom;
animation-duration: .6s;
}
#-webkit-keyframes zoom {
from {
-webkit-transform: scale(0);
}
to {
-webkit-transform: scale(1);
}
}
#keyframes zoom {
from {
transform: scale(0);
}
to {
transform: scale(1);
}
}
.close {
position: absolute;
top: 15px;
right: 35px;
color: #f1f1f1;
font-size: 40px;
font-weight: 700;
}
.close:focus,
.close:hover {
color: #bbb;
text-decoration: none;
cursor: pointer;
}
#media only screen and (max-width:700px) {
.modal-content {
width: 100%;
}
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<div id="form">
<div id="element#somefile.exe" class="element" data-type="image" data-link="somefile.exe" onclick=handler(this); title="somefile.exe">
<div id="highlight#somefile.exe" class="highlight">
<div id="content#somefile.exe" class="content">
<div id="el_img#somefile.exe" class="el_img">
<img id="view#somefile.exe" class="el_view" src="https://lh3.googleusercontent.com/oKsgcsHtHu_nIkpNd-mNCAyzUD8xo68laRPOfvFuO0hqv6nDXVNNjEMmoiv9tIDgTj8=w170">
</div>
<div id="el_name#somefile.exe" class="el_name">
somefile.exe
</div>
</div>
</div>
</div>
<div id="element#somefile.exe" class="element" data-type="image" data-link="somefile.exe" onclick=handler(this); title="somefile.exe">
<div id="highlight#somefile.exe" class="highlight">
<div id="content#somefile.exe" class="content">
<div id="el_img#somefile.exe" class="el_img">
<img id="view#somefile.exe" class="el_view" src="https://lh3.googleusercontent.com/hYQO8ekNvsPWMSzMe6IZdCAT6p8qq-SlzA0jiZstV7qBcWg5kn-39qHY0ZaBPqd3usc=w170">
</div>
<div id="el_name#somefile.exe" class="el_name">
blahblah.exe
</div>
</div>
</div>
</div>
<div id="element#somefile.exe" class="element" data-type="image" data-link="somefile.exe" onclick=handler(this); title="somefile.exe">
<div id="highlight#somefile.exe" class="highlight">
<div id="content#somefile.exe" class="content">
<div id="el_img#somefile.exe" class="el_img">
<img id="view#somefile.exe" class="el_view" src="https://lh3.googleusercontent.com/UMB2HRRRAAzXAEaCM9Gg-baCaDx_1RTXHscW5k2Ge3P4KP4mwTt2m6oyEHBWex3c4SxU=w300">
</div>
<div id="el_name#somefile.exe" class="el_name">
mehhhhh.cool
</div>
</div>
</div>
</div>
</div>
<!-- The Modal -->
<div id="myModal" class="modal">
<span class="close">×</span>
<img class="modal-content" id="img01">
<div id="caption"></div>
</div>
</body>
</html>

How can we make this preloader while loading elements in page

This image from LinkedIn, Facebook, Discord etc. is using this preloader effect, i have found this: http://cloudcannon.com/deconstructions/2014/11/15/facebook-content-placeholder-deconstruction.html
But there is no more post about this I couldn't find

Load the placeholder and get data from the server, after getting data from the server hide the placeholder.
// using timeout to illustrate a delay
setTimeout(function () {
$('.timeline-wrapper').hide();
$('.show-data').show();
}, 3000);
// get your data from server here
// $.post('getdata.php', function (data) {
// // process your data here
// hide placeholder
// $('.timeline-wrapper').hide();
// })
.timeline-item {
background: #fff;
border: 1px solid;
border-color: #e5e6e9 #dfe0e4 #d0d1d5;
border-radius: 3px;
padding: 12px;
margin: 0 auto;
max-width: 472px;
min-height: 200px;
}
#keyframes placeHolderShimmer {
0% {
background-position: -468px 0
}
100% {
background-position: 468px 0
}
}
.animated-background {
animation-duration: 1s;
animation-fill-mode: forwards;
animation-iteration-count: infinite;
animation-name: placeHolderShimmer;
animation-timing-function: linear;
background: #f6f7f8;
background: linear-gradient(to right, #eeeeee 8%, #dddddd 18%, #eeeeee 33%);
background-size: 800px 104px;
height: 96px;
position: relative;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="timeline-wrapper">
<div class="timeline-item">
<div class="animated-background">
<div class="background-masker header-top"></div>
<div class="background-masker header-left"></div>
<div class="background-masker header-right"></div>
<div class="background-masker header-bottom"></div>
<div class="background-masker subheader-left"></div>
<div class="background-masker subheader-right"></div>
<div class="background-masker subheader-bottom"></div>
<div class="background-masker content-top"></div>
<div class="background-masker content-first-end"></div>
<div class="background-masker content-second-line"></div>
<div class="background-masker content-second-end"></div>
<div class="background-masker content-third-line"></div>
<div class="background-masker content-third-end"></div>
</div>
</div>
</div>
<div class="show-data" style="display: none">
<p>data from server</p>
</div>

Setinterval() function need to reset

I'm trying to create section with couple images.Idea is to dynamically change those images, but my problem is: when section is loaded and animation is complete whole process stop but it should continue all over again.
Can somebody help me to achieve that?
Thank you.
Here is my code so far:
$(document).ready(function(){
setInterval(function(){
var $slide = $('div.slideUp');
$slide.removeClass('slideUp');
$slide.next().addClass('slideUp');
},2000);
});
.slideSection{
background: #000;
float: left;
width: 100%;
padding: 25px;
position: relative;
overflow: hidden;
}
.block{
width: 100%;
float: left;
display: none;
}
.block img {
float: left;
width: 25%;
height: 100px;
padding: 10px;
margin: 0;
}
.slideUp{
display: block;
animation: slideUp 1s 1;
position: relative;
}
#keyframes slideUp{
from{
opacity: .0;
transform: translate(0, 300px);
}
to{
opacity: 1;
transform: translate(0, 0);
}
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<section class="slideSection">
<div class="block slideUp ">
<img src="img/css.png" alt="css">
<img src="img/js.png" alt="js">
<img src="img/css.png" alt="css">
<img src="img/query.png" alt="js">
</div>
<div class="block">
<img src="img/java.png" alt="css">
<img src="img/sql.png" alt="js">
<img src="img/js.png" alt="js">
</div>
<div class="block">
<img src="img/query.png" alt="js">
<img src="img/java.png" alt="css">
</div>
</section>

You could keep the interval running, but change the way you look for the next slide: check if there is a next one, if so, take it, otherwise pick the first one:
$slide = $slide.next().length ? $slide.next() : $slide.siblings(':first')
$slide.addClass('slideUp');

Your loop is not infinite because last element do not have next() elements. You should check for that to appear and then take first element of collection instead.
Check the snippet below.
$(document).ready(function(){
setInterval(function(){
var $slide = $('div.slideUp');
$slide.removeClass('slideUp');
var $nextSlide = $slide.next();
if(!$nextSlide.length) {
$nextSlide = $('div.block').eq(0);
}
$nextSlide.addClass('slideUp');
}, 2000);
});
.slideSection{
background: #000;
float: left;
width: 100%;
padding: 25px;
position: relative;
overflow: hidden;
}
.block{
width: 100%;
float: left;
display: none;
}
.block img {
float: left;
width: 25%;
height: 100px;
padding: 10px;
margin: 0;
}
.slideUp{
display: block;
animation: slideUp 1s 1;
position: relative;
}
#keyframes slideUp{
from{
opacity: .0;
transform: translate(0, 300px);
}
to{
opacity: 1;
transform: translate(0, 0);
}
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<section class="slideSection">
<div class="block slideUp ">
<img src="img/css.png" alt="css">
<img src="img/js.png" alt="js">
<img src="img/css.png" alt="css">
<img src="img/query.png" alt="js">
</div>
<div class="block">
<img src="img/java.png" alt="css">
<img src="img/sql.png" alt="js">
<img src="img/js.png" alt="js">
</div>
<div class="block">
<img src="img/query.png" alt="js">
<img src="img/java.png" alt="css">
</div>
</section>

Thank you all for help I appreciate that.
Here is the another function that working properly.
Sincerly
$(document).ready(function(){
var currentIndex = 0,
items = $('.block'),
itemAmt = items.length;
function cycleItems() {
var item = $('.block').eq(currentIndex);
items.removeClass('slideUp');
item.addClass('slideUp');
}
var autoSlide = setInterval(function() {
currentIndex += 1;
if (currentIndex > itemAmt - 1) {
currentIndex = 0;
}
cycleItems();
}, 2000);
});