Puppeteer 将页面滚动到最底部

let articles = await page.evaluate(async () => {
  // 将页面滚动到最底部
  await new Promise((resolve, reject) => {
    let totalHeight = 0
    let distance = 200
    let timer = setInterval(() => {
      let scrollHeight = document.body.scrollHeight
      window.scrollBy(0, distance)
      totalHeight += distance
      if(totalHeight >= scrollHeight){
        clearInterval(timer)
        resolve()
      }
    }, 100)
  })