Downloading pdf file with puppeteer

问题

How can I download .pdf file with node puppeteer? I tried retrieve buffer data with page.on('load') event, but I'm getting only hash like this: 3a42112c-8d3e-474e-af0f-2e482520bc25

来源：https://stackoverflow.com/questions/50209766/downloading-pdf-file-with-puppeteer