window.addEventListener('scroll', () => {
let scrollDistance = window.scrollY;
if (window.innerWidth > 768) {
document.querySelectorAll('.section1').forEach((el, i) => {
if (el.offsetTop - document.querySelector('.nav').clientHeight <= scrollDistance) {
document.querySelectorAll('.nav a').forEach((el) => {
if (el.classList.contains('active')) {
el.classList.remove('active');
}
});
document.querySelectorAll('.nav li')[i].querySelector('a').classList.add('active');
}
});
}
});
body {
background: gray;
padding: 100px;
}
.block-2 {
display: flex;
flex-direction: row;
background: white;
width: 100%;
padding: 50px;
height: auto;
}
.section-left {
position: sticky;
top: 10px;
height: 300px;
/* background: gray; */
width: 100%;
}
.section-right {
background: blue;
width: 100%;
}
.wrap {
margin: 10px;
background: red;
}
.content {
height: 500px;
}
.footer {
width: 100%;
height: 700px;
background: red;
}
.nav {
position: relative;
left: 0;
top: 0;
width: 100%;
background-color: white;
/* padding: 20px;
*/
}
.nav ul {
display: flex;
list-style-type: none;
flex-direction: column;
padding: 0;
}
.nav a {
display: flex !important;
text-decoration: none;
color: black !important;
display: inline-block;
/* margin-right: 25px !important;
*/
}
@media screen and (max-width: 1024px) {}
.subtitle {
opacity: 0;
}
.active {
opacity: 1;
}
.content1 {
position: absolute;
background-color: red;
/*opacity: 0;*/
width: 100%;
height: 300px;
}
.content2 {
position: absolute;
background-color: gray;
/*opacity: 0;*/
width: 100%;
height: 300px;
}
.content3 {
position: absolute;
background-color: green;
/*opacity: 0;*/
width: 100%;
height: 300px;
}
.content4 {
position: absolute;
background-color: blue;
/*opacity: 0;*/
width: 100%;
height: 300px;
}
<body>
<div class="block-2">
<div class="section-left">
<nav class="nav">
<ul>
<li><a href="" class="active subtitle">
<div class="content1">
<h1>O1</h1>
</div>
</a></li>
<li><a href="" class="subtitle">
<div class="content2">
<h1>O2</h1>
</div>
</a></li>
<li><a href="" class="subtitle">
<div class="content3">
<h1>O3</h1>
</div>
</a></li>
<li><a href="" class="subtitle">
<div class="content4">
<h1>O4</h1>
</div>
</a></li>
</ul>
</nav>
</div>
<div class="section-right">
<div class="section1 wrap">
<div class="content">asdf</div>
</div>
<div class="wrap section1 ">
<div class="content">asdf</div>
</div>
<div class="wrap section1">
<div class="content">asdf</div>
</div>
<div class="wrap section1">
<div class="content">asdf</div>
</div>
</div>
</div>
<div class="footer"></div>
</body>
How can I get the FadeInLeft effect when changing content from .opacity=0 to .opasity=1 in the left side.
I tried to solve this problem with the given script, but it did not work for me.
I am not a cool js expert and I will be glad for your help.
P.S. See this layout in fullscreen.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Thanks