puppeteer : how can i wait for ajax request and process the result

Question

so i open a website , waith for all redirects to be done capture captcha image and send it vie nodejs to a user an recive the typed captcha

    const browser =         


        

Answer 1

You can wait on both simultaneously and handle whichever occurs first:

await Promise.race([
  page.waitForNavigation({ waitUntil: "networkidle0" }),
  page.waitForSelector(".Error")
]);

if (await page.$(".Error")) {
  // there was an error
} else {
  // the page changed
}