Header scroll indikator
HTML:
<div class="header">
<h2>Scroll indikator</h2>
<div class="progress-container">
<div class="progress-bar" id="myBar"></div>
</div>
</div>
<div>sadržaj ovde...</div>
CSS:
/* Style the header: fixed position (always stay at the top) */
.header {
position: fixed;
top: 0;
z-index: 1;
width: 100%;
background-color: #f1f1f1;
}
/* The progress container (grey background) */
.progress-container {
width: 100%;
height: 8px;
background: #ccc;
}
/* The progress bar (scroll indicator) */
.progress-bar {
height: 8px;
background: #4caf50;
width: 0%;
}
I na kraju, javascript:
// When the user scrolls the page, execute myFunction
window.onscroll = function() {myFunction()};
function myFunction() {
var winScroll = document.body.scrollTop || document.documentElement.scrollTop;
var height = document.documentElement.scrollHeight - document.documentElement.clientHeight;
var scrolled = (winScroll / height) * 100;
document.getElementById("myBar").style.width = scrolled + "%";
}
Demo:
https://jsfiddle.net/46hd0ry2/1/