MediaWiki:Common.js
Note: After publishing, 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: Press Ctrl-F5.
/* Any JavaScript here will be loaded for all users on every page load. */
function updateOpacity() {
const now = new Date();
if (now.getMonth() === 3 && now.getDate() === 1) {
const startOfDay = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0);
const endOfDay = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59);
const progress = (now - startOfDay) / (endOfDay - startOfDay);
document.body.style.opacity = 1 - progress;
}
}
updateOpacity();
setInterval(updateOpacity, 60000);