"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[64120],{3905:(e,t,a)=>{a.d(t,{Zo:()=>u,kt:()=>k});var n=a(67294);function r(e,t,a){return t in e?Object.defineProperty(e,t,{value:a,enumerable:!0,configurable:!0,writable:!0}):e[t]=a,e}function l(e,t){var a=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),a.push.apply(a,n)}return a}function p(e){for(var t=1;t=0||(r[a]=e[a]);return r}(e,t);if(Object.getOwnPropertySymbols){var l=Object.getOwnPropertySymbols(e);for(n=0;n=0||Object.prototype.propertyIsEnumerable.call(e,a)&&(r[a]=e[a])}return r}var o=n.createContext({}),d=function(e){var t=n.useContext(o),a=t;return e&&(a="function"==typeof e?e(t):p(p({},t),e)),a},u=function(e){var t=d(e.components);return n.createElement(o.Provider,{value:t},e.children)},s={inlineCode:"code",wrapper:function(e){var t=e.children;return n.createElement(n.Fragment,{},t)}},m=n.forwardRef((function(e,t){var a=e.components,r=e.mdxType,l=e.originalType,o=e.parentName,u=i(e,["components","mdxType","originalType","parentName"]),m=d(a),k=r,g=m["".concat(o,".").concat(k)]||m[k]||s[k]||l;return a?n.createElement(g,p(p({ref:t},u),{},{components:a})):n.createElement(g,p({ref:t},u))}));function k(e,t){var a=arguments,r=t&&t.mdxType;if("string"==typeof e||r){var l=a.length,p=new Array(l);p[0]=m;var i={};for(var o in t)hasOwnProperty.call(t,o)&&(i[o]=t[o]);i.originalType=e,i.mdxType="string"==typeof e?e:r,p[1]=i;for(var d=2;d{a.r(t),a.d(t,{assets:()=>d,contentTitle:()=>i,default:()=>m,frontMatter:()=>p,metadata:()=>o,toc:()=>u});a(67294);var n=a(3905);function r(){return r=Object.assign||function(e){for(var t=1;t=0||(r[a]=e[a]);return r}(e,t);if(Object.getOwnPropertySymbols){var l=Object.getOwnPropertySymbols(e);for(n=0;n=0||Object.prototype.propertyIsEnumerable.call(e,a)&&(r[a]=e[a])}return r}const p={sidebar_label:"Page"},i="Page class",o={unversionedId:"api/puppeteer.page",id:"version-20.5.0/api/puppeteer.page",title:"Page class",description:"Page provides methods to interact with a single tab or extension background page in the browser.",source:"@site/versioned_docs/version-20.5.0/api/puppeteer.page.md",sourceDirName:"api",slug:"/api/puppeteer.page",permalink:"/api/puppeteer.page",draft:!1,tags:[],version:"20.5.0",frontMatter:{sidebar_label:"Page"},sidebar:"api",previous:{title:"BrowserContext.waitForTarget",permalink:"/api/puppeteer.browsercontext.waitfortarget"},next:{title:"Page.$",permalink:"/api/puppeteer.page._"}},d={},u=[{value:"Signature:",id:"signature",level:4},{value:"Remarks",id:"remarks",level:2},{value:"Example 1",id:"example-1",level:2},{value:"Example 2",id:"example-2",level:2},{value:"Properties",id:"properties",level:2},{value:"Methods",id:"methods",level:2}],s={toc:u};function m(e){var{components:t}=e,a=l(e,["components"]);return(0,n.kt)("wrapper",r({},s,a,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",r({},{id:"page-class"}),"Page class"),(0,n.kt)("p",null,"Page provides methods to interact with a single tab or ",(0,n.kt)("a",r({parentName:"p"},{href:"https://developer.chrome.com/extensions/background_pages"}),"extension background page")," in the browser."),(0,n.kt)("admonition",r({},{type:"note"}),(0,n.kt)("p",{parentName:"admonition"},"One Browser instance might have multiple Page instances.")),(0,n.kt)("h4",r({},{id:"signature"}),"Signature:"),(0,n.kt)("pre",null,(0,n.kt)("code",r({parentName:"pre"},{className:"language-typescript"}),"export declare class Page extends EventEmitter\n")),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Extends:")," ",(0,n.kt)("a",r({parentName:"p"},{href:"/api/puppeteer.eventemitter"}),"EventEmitter")),(0,n.kt)("h2",r({},{id:"remarks"}),"Remarks"),(0,n.kt)("p",null,"The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the ",(0,n.kt)("inlineCode",{parentName:"p"},"Page")," class."),(0,n.kt)("h2",r({},{id:"example-1"}),"Example 1"),(0,n.kt)("p",null,"This example creates a page, navigates it to a URL, and then saves a screenshot:"),(0,n.kt)("pre",null,(0,n.kt)("code",r({parentName:"pre"},{className:"language-ts"}),"import puppeteer from 'puppeteer';\n\n(async () => {\n const browser = await puppeteer.launch();\n const page = await browser.newPage();\n await page.goto('https://example.com');\n await page.screenshot({path: 'screenshot.png'});\n await browser.close();\n})();\n")),(0,n.kt)("p",null,"The Page class extends from Puppeteer's ",(0,n.kt)("a",r({parentName:"p"},{href:"/api/puppeteer.eventemitter"}),"EventEmitter")," class and will emit various events which are documented in the ",(0,n.kt)("a",r({parentName:"p"},{href:"/api/puppeteer.pageemittedevents"}),"PageEmittedEvents")," enum."),(0,n.kt)("h2",r({},{id:"example-2"}),"Example 2"),(0,n.kt)("p",null,"This example logs a message for a single page ",(0,n.kt)("inlineCode",{parentName:"p"},"load")," event:"),(0,n.kt)("pre",null,(0,n.kt)("code",r({parentName:"pre"},{className:"language-ts"}),"page.once('load', () => console.log('Page loaded!'));\n")),(0,n.kt)("p",null,"To unsubscribe from events use the ",(0,n.kt)("a",r({parentName:"p"},{href:"/api/puppeteer.page.off"}),"Page.off()")," method:"),(0,n.kt)("pre",null,(0,n.kt)("code",r({parentName:"pre"},{className:"language-ts"}),"function logRequest(interceptedRequest) {\n console.log('A request was made:', interceptedRequest.url());\n}\npage.on('request', logRequest);\n// Sometime later...\npage.off('request', logRequest);\n")),(0,n.kt)("h2",r({},{id:"properties"}),"Properties"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Property"),(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Modifiers"),(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Type"),(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),"accessibility"),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("code",null,"readonly")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.accessibility"}),"Accessibility")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The Accessibility class provides methods for inspecting the browser's accessibility tree. 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The high level api is ",(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.keyboard.type"}),"Keyboard.type()"),", which takes raw characters and generates proper keydown, keypress/input, and keyup events on your page.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),"mouse"),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("code",null,"readonly")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.mouse"}),"Mouse")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The Mouse class operates in main-frame CSS pixels relative to the top-left corner of the viewport.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),"touchscreen"),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("code",null,"readonly")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.touchscreen"}),"Touchscreen")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The Touchscreen class exposes touchscreen events.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),"tracing"),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("code",null,"readonly")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.tracing"}),"Tracing")),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The Tracing class exposes the tracing audit interface.")))),(0,n.kt)("h2",r({},{id:"methods"}),"Methods"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Method"),(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Modifiers"),(0,n.kt)("th",r({parentName:"tr"},{align:null}),"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page._"}),"$(selector)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"Runs ",(0,n.kt)("code",null,"document.querySelector")," within the page. If no element matches the selector, the return value resolves to ",(0,n.kt)("code",null,"null"),".")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page.__"}),"$$(selector)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The method runs ",(0,n.kt)("code",null,"document.querySelectorAll")," within the page. If no elements match the selector, the return value resolves to ",(0,n.kt)("code",null,"[]"),".")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page.__eval"}),"$$eval(selector, pageFunction, args)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"This method runs ",(0,n.kt)("code",null,"Array.from(document.querySelectorAll(selector))")," within the page and passes the result as the first argument to the ",(0,n.kt)("code",null,"pageFunction"),".")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page._eval"}),"$eval(selector, pageFunction, args)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"This method runs ",(0,n.kt)("code",null,"document.querySelector")," within the page and passes the result as the first argument to the ",(0,n.kt)("code",null,"pageFunction"),".")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page._x"}),"$x(expression)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The method evaluates the XPath expression relative to the page document as its context node. 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If there's no element matching ",(0,n.kt)("code",null,"selector"),", the method throws an error.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page.close"}),"close(options)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}))),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page.content"}),"content()")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"The full HTML contents of the page, including the DOCTYPE.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",r({parentName:"tr"},{align:null}),(0,n.kt)("a",r({parentName:"td"},{href:"/api/puppeteer.page.cookies"}),"cookies(urls)")),(0,n.kt)("td",r({parentName:"tr"},{align:null})),(0,n.kt)("td",r({parentName:"tr"},{align:null}),"If no URLs are specified, this method returns cookies for the current page URL. 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