In firefox our scrollable container is html, we need to account
for that along with body element.
Change-Id: Ida603d419c85a2bf27ce8a5d46da7da3c1dc00ea
mw.rcfilters.ui.FilterWrapperWidget.prototype.scrollToTop = function ( $element, marginFromTop ) {
var container = OO.ui.Element.static.getClosestScrollableContainer( $element[ 0 ], 'y' ),
pos = OO.ui.Element.static.getRelativePosition( $element, $( container ) ),
- containerScrollTop = $( container ).is( 'body' ) ? 0 : $( container ).scrollTop();
+ containerScrollTop = $( container ).is( 'body, html' ) ? 0 : $( container ).scrollTop();
// Scroll to item
$( container ).animate( {