https://www.mezmat.ru/tematicheskie-podborki/page-75/?layout=products_multicolumns&sort_order=desc/@100:2

Uncaught ReferenceError: $ is not defined

ReferenceError: $ is not defined
    at HTMLDocument. (https://www.mezmat.ru/tematicheskie-podborki/page-75/?layout=products_multicolumns&sort_order=desc/:100:2)