// Check for the right page
if (wgPageName == 'User:Cåm/Scrapbook_11' || wgPageName == 'User:Cåm/Discussions') {
    // Generate a list of span ids on the page
    var pageId = $('span').map(function() {
        return parseInt(this.id)||undefined;
    }).get();

    // Changes ids to dates
    for (var i = 0; i < pageId.length; i++){
        // Replaces the revision number within the id with the revision date
        $('#' + pageId[i]).load('/index.php?oldid=' + pageId[i] + ' #mw-revision-date');
    };
}