I wanted to click an “Accept all” cookie button with Puppeteer, I used this code:

const [linkcookie] = await page.$x("//a[contains(., 'Accept all')]")
if (linkcookie) {
  await linkcookie.click()
}

Note that if the button is a button HTML element (it depends on the HTML markup used), you have to use

page.$x("//button[contains(., 'Accept all')]")

instead 👍

Also see my full Puppeteer tutorial