Puppeteer wait for all images to load then take screenshot

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There is a built-in option for that:

await page.goto('https://www.digg.com/', {"waitUntil" : "networkidle0"});

networkidle0 – consider navigation to be finished when there are no more than 0 network connections for at least 500 ms

networkidle2 – consider navigation to be finished when there are no more than 2 network connections for at least 500 ms.

Of course it won’t work if you’re working with endless-scrolling-single-page-applications like Twitter.

Puppeteer GitHub issue #1552 provides explanation for the motivation behind networkidle2.

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