puppeteer/assets/js/89c23806.ce4dba28.js

/*! For license information please see 89c23806.ce4dba28.js.LICENSE.txt */
"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[35226],{36272:(e,n,t)=>{t.r(n),t.d(n,{assets:()=>d,contentTitle:()=>s,default:()=>c,frontMatter:()=>i,metadata:()=>a,toc:()=>l});var r=t(85893),o=t(11151);const i={sidebar_label:"Page.emulateNetworkConditions"},s="Page.emulateNetworkConditions() method",a={id:"api/puppeteer.page.emulatenetworkconditions",title:"Page.emulateNetworkConditions() method",description:"This does not affect WebSockets and WebRTC PeerConnections (see https://crbug.com/563644). To set the page offline, you can use Page.setOfflineMode().",source:"@site/../docs/api/puppeteer.page.emulatenetworkconditions.md",sourceDirName:"api",slug:"/api/puppeteer.page.emulatenetworkconditions",permalink:"/next/api/puppeteer.page.emulatenetworkconditions",draft:!1,unlisted:!1,tags:[],version:"current",frontMatter:{sidebar_label:"Page.emulateNetworkConditions"},sidebar:"api",previous:{title:"Page.emulateMediaType",permalink:"/next/api/puppeteer.page.emulatemediatype"},next:{title:"Page.emulateTimezone",permalink:"/next/api/puppeteer.page.emulatetimezone"}},d={},l=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Example",id:"example",level:2}];function p(e){const n={a:"a",code:"code",h1:"h1",h2:"h2",h4:"h4",p:"p",pre:"pre",strong:"strong",...(0,o.a)(),...e.components};return(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(n.h1,{id:"pageemulatenetworkconditions-method",children:"Page.emulateNetworkConditions() method"}),"\n",(0,r.jsxs)(n.p,{children:["This does not affect WebSockets and WebRTC PeerConnections (see ",(0,r.jsx)(n.a,{href:"https://crbug.com/563644",children:"https://crbug.com/563644"}),"). To set the page offline, you can use ",(0,r.jsx)(n.a,{href:"/next/api/puppeteer.page.setofflinemode",children:"Page.setOfflineMode()"}),"."]}),"\n",(0,r.jsxs)(n.p,{children:["A list of predefined network conditions can be used by importing ",(0,r.jsx)(n.a,{href:"/next/api/puppeteer.predefinednetworkconditions",children:"PredefinedNetworkConditions"}),"."]}),"\n",(0,r.jsx)(n.h4,{id:"signature",children:"Signature:"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"class Page {\n  abstract emulateNetworkConditions(\n    networkConditions: NetworkConditions | null\n  ): Promise<void>;\n}\n"})}),"\n",(0,r.jsx)(n.h2,{id:"parameters",children:"Parameters"}),"\n",(0,r.jsxs)("table",{children:[(0,r.jsx)("thead",{children:(0,r.jsxs)("tr",{children:[(0,r.jsx)("th",{children:(0,r.jsx)(n.p,{children:"Parameter"})}),(0,r.jsx)("th",{children:(0,r.jsx)(n.p,{children:"Type"})}),(0,r.jsx)("th",{children:(0,r.jsx)(n.p,{children:"Description"})})]})}),(0,r.jsx)("tbody",{children:(0,r.jsxs)("tr",{children:[(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"networkConditions"})}),(0,r.jsx)("td",{children:(0,r.jsxs)(n.p,{children:[(0,r.jsx)(n.a,{href:"/next/api/puppeteer.networkconditions",children:"NetworkConditions"})," | null"]})}),(0,r.jsx)("td",{children:(0,r.jsxs)(n.p,{children:["Passing ",(0,r.jsx)(n.code,{children:"null"})," disables network condition emulation."]})})]})})]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"Returns:"})}),"\n",(0,r.jsx)(n.p,{children:"Promise<void>"}),"\n",(0,r.jsx)(n.h2,{id:"example",children:"Example"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-ts",children:"import {PredefinedNetworkConditions} from 'puppeteer';\nconst slow3G = PredefinedNetworkConditions['Slow 3G'];\n\n(async () => {\n  const browser = await puppeteer.launch();\n  const page = await browser.newPage();\n  await page.emulateNetworkConditions(slow3G);\n  await page.goto('https://www.google.com');\n  // other actions...\n  await browser.close();\n})();\n"})})]})}function c(e={}){const{wrapper:n}={...(0,o.a)(),...e.components};return n?(0,r.jsx)(n,{...e,children:(0,r.jsx)(p,{...e})}):p(e)}},75251:(e,n,t)=>{var r=t(67294),o=Symbol.for("react.element"),i=Symbol.for("react.fragment"),s=Object.prototype.hasOwnProperty,a=r.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactCurrentOwner,d={