scraping

puppeteer.js

const puppeteer = require('puppeteer')

;(async () => {
  const browser = await puppeteer.launch()
  const page = await browser.newPage()
  await page.goto('https://google.com')
  await page.screenshot({path: 'example.png'})

  await browser.close()
})()

timetable.js

const puppeteer = require('puppeteer')

;(async () => {
  const browser = await puppeteer.launch()
  const page = await browser.newPage()

  await page.goto('http://www.jreast-timetable.jp/1711/timetable/tt1295/1295010.html')
  const ev = await page.evaluate(() => {
    const timetable = Array.from(document.querySelectorAll('.timetable tr')).splice(2).map((line) => {
      const minutes = Array.from(line.querySelectorAll('.timetable_time .time_link_black .minute')).map((time) => {
        return {
          minute: parseInt(time.innerHTML, 10)
        }
      })
      return {
        hour: parseInt(line.querySelector('td').innerHTML, 10),
        minutes
      }
    })

    return {
      timetable
    }
  })

  console.log(ev)

  await browser.close()
})()