let selectedValue = $('select[class="gl-native-dropdown__select-element"] > option:contains("7")').val(); let select = document.querySelectorAll('.gl-native-dropdown__select-element')[0]; let btn = document.querySelectorAll('[data-auto-id="ys-add-to-bag-btn"]')[0]; select.value = selectedValue; var nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLSelectElement.prototype, "value").set; nativeInputValueSetter.call(select, selectedValue); var ev2 = new Event('change', { bubbles: true}); select.dispatchEvent(ev2); btn.click()