Guys

if (BIS.urlIsProductPage() === true) { BISPopover.ready.then(function() { if (BIS.popup.variants.length < 1) { return; } var link = $('', { text: BIS.Config.button.caption, 'class': 'btn btn--full btn--large btn--clear', href: '#', id: 'BIS_trigger', css: { display: 'none', marginTop: '1em' } }); $('#AddToCartForm').append(link); var variant_id; var reload = function() { try { var variant = BIS.detectVariant(BIS.popup); if (variant && BIS.popup.variantIsUnavailable(variant)) { variant_id = variant.id; link.show(); } else { link.hide(); } } catch (e) { console.log(e) }; }; link.click(function() { BISPopover.form.selectVariant(variant_id) }); setTimeout(reload, 13); $(document).on('change', reload); }); }