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Home > puppeteer > Page

Page class

Page provides methods to interact with a single tab or [extension background page](https://developer.chrome.com/extensions/background\_pages) in Chromium. One [Browser] instance might have multiple [Page] instances.

Signature:

export declare class Page extends EventEmitter 

Extends: EventEmitter

Remarks

The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the Page class.

Example 1

This example creates a page, navigates it to a URL, and then * saves a screenshot:

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.goto('https://example.com');
  await page.screenshot({path: 'screenshot.png'});
  await browser.close();
})();

The Page class extends from Puppeteer's EventEmitter class and will emit various events which are documented in the PageEmittedEvents enum.

Example 2

This example logs a message for a single page load event:

page.once('load', () => console.log('Page loaded!'));

To unsubscribe from events use the off method:

function logRequest(interceptedRequest) {
  console.log('A request was made:', interceptedRequest.url());
}
page.on('request', logRequest);
// Sometime later...
page.off('request', logRequest);

Properties

Property Modifiers Type Description
accessibility Accessibility
coverage Coverage
keyboard Keyboard
mouse Mouse
touchscreen Touchscreen
tracing Tracing

Methods

Method Modifiers Description
$(selector) Runs document.querySelector within the page. If no element matches the selector, the return value resolves to null.
$$(selector)
$$eval(selector, pageFunction, args)
$eval(selector, pageFunction, args)
$x(expression)
addScriptTag(options)
addStyleTag(options)
authenticate(credentials)
bringToFront()
browser()
browserContext()
click(selector, options)
close(options)
content()
cookies(urls)
deleteCookie(cookies)
emulate(options)
emulateMediaFeatures(features)
emulateMediaType(type)
emulateTimezone(timezoneId)
emulateVisionDeficiency(type)
evaluate(pageFunction, args)
evaluateHandle(pageFunction, args)
evaluateOnNewDocument(pageFunction, args)
exposeFunction(name, puppeteerFunction)
focus(selector)
frames()
goBack(options)
goForward(options)
goto(url, options)
hover(selector)
isClosed()
isJavaScriptEnabled()
mainFrame()
metrics()
pdf(options)
queryObjects(prototypeHandle)
reload(options)
screenshot(options)
select(selector, values)
setBypassCSP(enabled)
setCacheEnabled(enabled)
setContent(html, options)
setCookie(cookies)
setDefaultNavigationTimeout(timeout)
setDefaultTimeout(timeout)
setExtraHTTPHeaders(headers)
setGeolocation(options) Sets the page's geolocation.*
setJavaScriptEnabled(enabled)
setOfflineMode(enabled)
setRequestInterception(value)
setUserAgent(userAgent)
setViewport(viewport)
tap(selector)
target()
title()
type(selector, text, options)
url()
viewport()
waitFor(selectorOrFunctionOrTimeout, options, args)
waitForFileChooser(options)
waitForFunction(pageFunction, options, args)
waitForNavigation(options)
waitForRequest(urlOrPredicate, options)
waitForResponse(urlOrPredicate, options)
waitForSelector(selector, options)
waitForXPath(xpath, options)
workers()