Screenshots
Here is a quick way to capture a screenshot and save it into a file:
await page.screenshot({ path: 'screenshot.png' });
Screenshots API accepts many parameters for image format, clip area, quality, etc. Make sure to check them out.
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Full page screenshotsFull page screenshot is a screenshot of a full scrollable page, as if you had a very tall screen and the page could fit it entirely.
await page.screenshot({ path: 'screenshot.png', fullPage: true });
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Capture into bufferRather than writing into a file, you can get a buffer with the image and post-process it or pass it to a third party pixel diff facility.
const buffer = await page.screenshot();console.log(buffer.toString('base64'));
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Element screenshotSometimes it is useful to take a screenshot of a single element.
const elementHandle = await page.$('.header');await elementHandle.screenshot({ path: 'screenshot.png' });