making a website loader js
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<script src="jquery-2.1.4.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
</head>
<body>
<div class="content">
<img src="https://picsum.photos/300/300/?random" />
</div>
<div class="loader-wrapper">
<span class="loader"><span class="loader-inner"></span></span>
</div>
<script>
$(window).on("load",function(){
$(".loader-wrapper").fadeOut("slow");
});
</script>
</body>
</html>