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/* scrollUp Button * Add a button to scroll up to the top of the current page. * @rev 2 (2018-10-03) * @author Kwj2772 * No internationalisation required * <nowiki>*//* global jQuery:false */(functionscrollUpButton($){'use strict';var$icon=$('<img>').prop({'src':'//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Font_Awesome_5_regular_arrow-circle-up_blue.svg/32px-Font_Awesome_5_regular_arrow-circle-up_blue.svg.png','id':'scrollUpButton'});$icon.appendTo('body');$icon.css({'position':'fixed','bottom':'24px','right':'18px','opacity':'0.75','display':'none'});$(window).scroll(function(){varscrollValue=$(window).scrollTop();if(scrollValue===0){$icon.fadeOut('slow');// fade out if you reach the top of the page}else{$icon.fadeIn('slow');}/* When you hover mouse over the button */$icon.hover(function(){if(scrollValue!==0){$(this).css('opacity',1);}},function(){if(scrollValue!==0){$(this).css('opacity',0.75);}});});$icon.click(function(){// Move to the top of the page$('html,body').animate({scrollTop:0},850);});})(jQuery);// </nowiki>