Smart Fixed Top Navigation In Pure JavaScript

Category: Javascript , Menu & Navigation | May 12, 2017
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Last Update:May 12, 2017


Smart Fixed Top Navigation In Pure JavaScript


Just another JavaScript solution to create a smart site navigation that auto hides on scroll down and reveals itself again on scroll up.

How to use it:

Create a normal header navigation as this:

<header class="header-navigation" id="header">
    <a class="link" href="#" title="Home">Home</a>
    <a class="link" href="#" title="About">About</a>
    <a class="link" href="#" title="Contact">Contact</a>

Make the header navigation sticky on page load.

.header-navigation {
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;
  line-height: 60px;
  background-color: #333;
  text-align: center;
  box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);

The JavaScript to auto show/hide the header navigation depending on the scroll position.

var new_scroll_position = 0;
var last_scroll_position;
var header = document.getElementById("header");
window.addEventListener('scroll', function(e) {
  last_scroll_position = window.scrollY;
  // Scrolling down
  if (new_scroll_position < last_scroll_position && last_scroll_position > 80) {
    // header.removeClass('slideDown').addClass('slideUp');
  // Scrolling up
  } else if (new_scroll_position > last_scroll_position) {
    // header.removeClass('slideUp').addClass('slideDown');
  new_scroll_position = last_scroll_position;

Apply smooth slide up/down animations to the header navigation.

.slideUp {
  -webkit-transform: translateY(-100px);
  transform: translateY(-100px);
  transition: transform .5s ease-out;
.slideDown {
  -webkit-transform: translateY(0);
  transform: translateY(0);
  transition: transform .5s ease-out;

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