MediaWiki:Gadget-BackToTop.js

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Note: After saving, you may have to bypass your browser's cache to see the changes.

  • Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
  • Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
  • Internet Explorer / Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5
  • Opera: Go to Menu → Settings (Opera → Preferences on a Mac) and then to Privacy & security → Clear browsing data → Cached images and files.
$('body').prepend('<a href="#" class="back-to-top">Back to Top</a>');

var amountScrolled = 300;

$(window).scroll(function () {
  if ($(window).scrollTop() > amountScrolled) {
    $('a.back-to-top').fadeIn('slow');
  } else {
    $('a.back-to-top').fadeOut('slow');
  }
});

$('a.back-to-top, a.simple-back-to-top').click(function () {
  $('html, body').animate({
    scrollTop: 0
  }, 'fast');
  return false;
});