Edit This Code:
<!DOCTYPE html>
<html>
<head>
<style>
.slideUp {
        animation-name: slideUp;
        -webkit-animation-name: slideUp;        
        animation-duration: 1s;        
        -webkit-animation-duration: 1s;
        visibility: visible;                        
}


@keyframes slideUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(70%);
    }

    100% {
        opacity: 1;
        -webkit-transform: translateY(0%);
    }
        
}

@-webkit-keyframes slideUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(70%);
    }

    100% {
        opacity: 1;
        -webkit-transform: translateY(0%);
    }

}

body {height:1500px;}
.col-1 {float:left}
.col-2 {float:left;padding-left:25px;}
img {width:180px;height:100px;visibility:hidden;}
hr {margin-top:400px;}
</style>
</head>
<body>

<p>Scroll down this page.</p>
<p>When you have scrolled 350px from the top, an image will slide in.</p>

<hr>
<div class="col-1">
  <img id="myImg" src="img_pulpit.jpg" width="304" height="228">
</div>

<div class="col-2">
  Just some text..
</div>

<script>
window.onscroll = function() {myFunction()};

function myFunction() {
    if (document.body.scrollTop > 350 || document.documentElement.scrollTop > 350) {
        document.getElementById("myImg").className = "slideUp";
    }
}
</script>

</body>
</html>


Result:
Try it Yourself - © w3schools.com
Privacy Policy