MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

window.onscroll = function() {scrollFunction()};

function scrollFunction() {
  if (document.body.scrollTop > 50 || document.documentElement.scrollTop > 50) {
    document.getElementById("navbar").className = "scrolled";
  } else {
    document.getElementById("navbar").className = "";
  }
}