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. */
mw.loader.using( ['mediawiki.util'] ).done( function () {
 var isDiff = mw.util.getParamValue('diff') || mw.util.getParamValue('oldid');
 
 if (mw.config.get('wgIsMainPage') && mw.config.get('wgIsArticle') && !isDiff){
   mw.util.addCSS('h1.firstHeading, div#siteNotice { display: none !important; }');
 }
} );