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var collection = []; (async () => { var index = 0, links = [...document.querySelectorAll(".pagn .pagnLink > a")].slice(1).map(el => el.href); console.log({links}) for await (let link of links){ index++; console.log({index}); var res = await fetch(link); var htmlString = await res.text(); var parser = await new DOMParser(); var doc = await parser.parseFromString(htmlString, "text/html"); var arr = await [...doc.querySelectorAll(".a-list-item")].map(el => el.innerText.replace(/\(\d+\)/gim,"").trim().toLowerCase()); collection = arr.length > 0 ? new Set([...collection, ...arr]) : collection; if(index == links.length) console.log({report:[...collection]}); } })()