"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[81397],{3905:(e,t,r)=>{r.d(t,{Zo:()=>s,kt:()=>g});var n=r(67294);function a(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function p(e,t){var r=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),r.push.apply(r,n)}return r}function o(e){for(var t=1;t=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var p=Object.getOwnPropertySymbols(e);for(n=0;n=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}var i=n.createContext({}),u=function(e){var t=n.useContext(i),r=t;return e&&(r="function"==typeof e?e(t):o(o({},t),e)),r},s=function(e){var t=u(e.components);return n.createElement(i.Provider,{value:t},e.children)},c={inlineCode:"code",wrapper:function(e){var t=e.children;return n.createElement(n.Fragment,{},t)}},m=n.forwardRef((function(e,t){var r=e.components,a=e.mdxType,p=e.originalType,i=e.parentName,s=l(e,["components","mdxType","originalType","parentName"]),m=u(r),g=a,d=m["".concat(i,".").concat(g)]||m[g]||c[g]||p;return r?n.createElement(d,o(o({ref:t},s),{},{components:r})):n.createElement(d,o({ref:t},s))}));function g(e,t){var r=arguments,a=t&&t.mdxType;if("string"==typeof e||a){var p=r.length,o=new Array(p);o[0]=m;var l={};for(var i in t)hasOwnProperty.call(t,i)&&(l[i]=t[i]);l.originalType=e,l.mdxType="string"==typeof e?e:a,o[1]=l;for(var u=2;u{r.r(t),r.d(t,{assets:()=>u,contentTitle:()=>l,default:()=>m,frontMatter:()=>o,metadata:()=>i,toc:()=>s});r(67294);var n=r(3905);function a(){return a=Object.assign||function(e){for(var t=1;t=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var p=Object.getOwnPropertySymbols(e);for(n=0;n=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}const o={sidebar_label:"Page.emulate"},l="Page.emulate() method",i={unversionedId:"api/puppeteer.page.emulate",id:"version-21.5.1/api/puppeteer.page.emulate",title:"Page.emulate() method",description:"Emulates a given device's metrics and user agent.",source:"@site/versioned_docs/version-21.5.1/api/puppeteer.page.emulate.md",sourceDirName:"api",slug:"/api/puppeteer.page.emulate",permalink:"/api/puppeteer.page.emulate",draft:!1,tags:[],version:"21.5.1",frontMatter:{sidebar_label:"Page.emulate"},sidebar:"api",previous:{title:"Page.deleteCookie",permalink:"/api/puppeteer.page.deletecookie"},next:{title:"Page.emulateCPUThrottling",permalink:"/api/puppeteer.page.emulatecputhrottling"}},u={},s=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Remarks",id:"remarks",level:2},{value:"Example",id:"example",level:2}],c={toc:s};function m(e){var{components:t}=e,r=p(e,["components"]);return(0,n.kt)("wrapper",a({},c,r,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",a({},{id:"pageemulate-method"}),"Page.emulate() method"),(0,n.kt)("p",null,"Emulates a given device's metrics and user agent."),(0,n.kt)("p",null,"To aid emulation, Puppeteer provides a list of known devices that can be via ",(0,n.kt)("a",a({parentName:"p"},{href:"/api/puppeteer.knowndevices"}),"KnownDevices"),"."),(0,n.kt)("h4",a({},{id:"signature"}),"Signature:"),(0,n.kt)("pre",null,(0,n.kt)("code",a({parentName:"pre"},{className:"language-typescript"}),"class Page {\n emulate(device: Device): Promise;\n}\n")),(0,n.kt)("h2",a({},{id:"parameters"}),"Parameters"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Parameter"),(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Type"),(0,n.kt)("th",a({parentName:"tr"},{align:null}),"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",a({parentName:"tr"},{align:null}),"device"),(0,n.kt)("td",a({parentName:"tr"},{align:null}),(0,n.kt)("a",a({parentName:"td"},{href:"/api/puppeteer.device"}),"Device")),(0,n.kt)("td",a({parentName:"tr"},{align:null}))))),(0,n.kt)("p",null,(0,n.kt)("strong",{parentName:"p"},"Returns:")),(0,n.kt)("p",null,"Promise","<","void",">"),(0,n.kt)("h2",a({},{id:"remarks"}),"Remarks"),(0,n.kt)("p",null,"This method will resize the page. A lot of websites don't expect phones to change size, so you should emulate before navigating to the page."),(0,n.kt)("h2",a({},{id:"example"}),"Example"),(0,n.kt)("pre",null,(0,n.kt)("code",a({parentName:"pre"},{className:"language-ts"}),"import {KnownDevices} from 'puppeteer';\nconst iPhone = KnownDevices['iPhone 6'];\n\n(async () => {\n const browser = await puppeteer.launch();\n const page = await browser.newPage();\n await page.emulate(iPhone);\n await page.goto('https://www.google.com');\n // other actions...\n await browser.close();\n})();\n")))}m.isMDXComponent=!0}}]);