JavaScript function to retrieve header position at Y coordinate

I am looking to dynamically change my Navbar's position CSS property from Fixed to Relative based on the vertical scroll position.

For example, check out:

Below is the JavaScript code I have tried by toggle classes:

$(function() { 
  var header = $(".clearHeader"); 
  $(window).scroll(function() { 
    var scroll = $(window).scrollTop(); 
    if (scroll >= 800) { 
      header.removeClass('clearHeader').addClass("darkHeader"); 
    } 
    else { 
      header.removeClass("darkHeader").addClass('clearHeader'); 
    } 
  }); 
});

The issue: This approach does not effectively respond when I zoom in or zoom out.

Answer №2

To replace the check for scroll >= 800
try using scroll >= header.offset().top
with this approach, you can determine the top position of a specific element.

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