SCRIPT5009: "$$" не определено

-- HikaShop version -- : 3.3.0
-- Joomla version -- : 3.8.5
-- PHP version -- : 5.6.31
-- Browser(s) name and version -- : All
-- Error-message(debug-mod must be tuned on) -- : window.hikashop.ready( function() {
$$('input.hikashop_compare_checkbox').each(function(el){
el.checked = false;
});
});

window.hikashop.ready( function() {
$$('input.hikashop_compare_checkbox').each(function(el){
el.checked = false;
});
});

SCRIPT5009: "$$" не определено

Good day, I understood and found a bug. It was not in hikashop, but in the template under it in the file listing.php. Thanks.