puppetterで日経平均をスクレイピング

github.com

qiita.com

const puppeteer = require('puppeteer');

(async () => {
    const browser = await puppeteer.launch();
    const page = await browser.newPage();
    await page.goto('http://www.nikkei.com/markets/kabu/');

    var data = await page.$eval('span.mkc-stock_prices', item => {
        return item.textContent;
    });

    console.log(data)

    await browser.close();
})();

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.goto('http://www.nikkei.com/markets/kabu/');

  const price = await page.evaluate(() => document.querySelector('span.mkc-stock_prices').textContent);

  console.log(price);

  await browser.close();
})();

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