The implementation of a fixed navbar using Javascript is encountering issues

is the site and it's currently being built using wordpress.

The navigation bar is located within the <header> section, along with my logo at the top, so I'm not sure if that could be causing any issues.

This code snippet includes the HTML for the navigation bar that I want to remain fixed at the top when scrolling past it.

<div id="navmenu" class="mkd-menu-area">
    <div class="mkd-grid">
        <div class="mkd-vertical-align-containers">
            <div class="mkd-position-left">
                <div class="mkd-position-left-inner">
                    <?php if(is_active_sidebar('mkd-left-from-main-menu')) : ?>
                        <?php dynamic_sidebar('mkd-left-from-main-menu'); ?>
                    <?php endif; ?>
                    <?php discussion_get_main_menu(); ?>
                </div>
            </div>
            <div class="mkd-position-right">
                <div class="mkd-position-right-inner">
                    <?php if(is_active_sidebar('mkd-right-from-main-menu')) : ?>
                        <?php dynamic_sidebar('mkd-right-from-main-menu'); ?>
                    <?php endif; ?>
                </div>
            </div>
        </div>
    </div>
</div>

Below is the JavaScript code I'm utilizing to target the navigation bar (Big thanks to akinuri for this script).

window.onscroll = changePos;

function changePos() {
   var header = document.getElementById("navmenu");
   if (window.pageYOffset > 182) {
      header.style.position = "absolute";
      header.style.top = pageYOffset + "px";
   } else {
      header.style.position = "";
      header.style.top = "";
   }
}

Answer №1

To achieve the desired effect, move the .mkd-top-bar element outside of any containers and place it just below the opening <body> tag. Then, in its CSS apply the style rule position: fixed;.

.mkd-top-bar {
    background-color: #303030;
    position: fixed;
}

Does this solution meet your needs?

Answer №2

@Olivia is on the right track, reducing the reliance on JavaScript can be beneficial in this scenario. Take a look at this alternative approach to tackle the issue. Instead of extensive JavaScript, consider implementing the following solution:

window.onscroll = stickyNav;

function stickyNav() {
   var header = document.getElementById("navmenu");
   if (window.pageYOffset > 70) {
      header.classList.add("sticky");
   } else {
      header.classList.remove("sticky");
   }
}

Subsequently, introduce a new custom class called .sticky and modify its style properties as follows:

.sticky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}

An additional pointer would be to correct any instances of stickNav to reflect the accurate method name stickyNav.

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