Jako Präsentationsanzug Performance

const ssm_cart= (recom,addCart)=>{ const rec_size = recom.recom_size[recom.scale]; const rec_cleanSize = rec_size.replace('.0',''); const sizeContainer = document.querySelector('#custom-select_Größe'); const sizes = sizeContainer.querySelectorAll('option'); for(size of sizes){ if(size.text == rec_cleanSize ){ sizeContainer.value = size.value; sizeContainer.dispatchEvent(new Event('change')); break; }; } if(!addCart) return; document.querySelector('.add-to-basket-container button.btn-primary').click(); } window.ShoeSizeMe_loader = { settingParams:{ shopID:"60331264", locale:"de", scale:document.querySelector('.ssm_scale span').textContent.toLowerCase() || 'uk', newRecommendation: function(recommendation){ssm_cart(recommendation,false)} } } document.addEventListener("DOMContentLoaded", async () => { const ssm_shoeid = document.querySelector('.shoeai-data .widget-inner h5').nextSibling.querySelectorAll('span')[1].textContent; const ssm_button = document.querySelector('.ShoeSizeMe'); ssm_button.setAttribute('data-shoeid',ssm_shoeid); const sizeContainer = await waitForElm('#custom-select_Größe'); const sizes = sizeContainer.querySelectorAll('option'); const avabArray = []; for(size of sizes){ if(size.value == "-1") continue; avabArray.push(size.text); } ssm_button.setAttribute('data-sizerun',avabArray.join(',')); ssm_button.setAttribute('data-availability',avabArray.join(',')); const ssm_script = document.createElement('script'); ssm_script.type = 'text/javascript'; ssm_script.async = true; ssm_script.src = 'https://shoesize.me/assets/plugin/loader.js'; document.getElementsByTagName('head')[0].appendChild(ssm_script); }); const waitForElm = (selector) => { return new Promise(resolve => { if (document.querySelector(selector)) { return resolve(document.querySelector(selector)); } const observer = new MutationObserver(mutations => { if (document.querySelector(selector)) { observer.disconnect(); resolve(document.querySelector(selector)); } }); observer.observe(document.body, { childList: true, subtree: true }); }); }