puppeteer/assets/js/cc444781.c08925bd.js

/*! For license information please see cc444781.c08925bd.js.LICENSE.txt */
"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[3675],{63843:(e,t,n)=>{n.r(t),n.d(t,{assets:()=>s,contentTitle:()=>l,default:()=>d,frontMatter:()=>a,metadata:()=>i,toc:()=>c});var r=n(85893),o=n(11151);const a={sidebar_label:"ElementHandle.waitForSelector"},l="ElementHandle.waitForSelector() method",i={id:"api/puppeteer.elementhandle.waitforselector",title:"ElementHandle.waitForSelector() method",description:"Wait for an element matching the given selector to appear in the current element.",source:"@site/versioned_docs/version-21.6.1/api/puppeteer.elementhandle.waitforselector.md",sourceDirName:"api",slug:"/api/puppeteer.elementhandle.waitforselector",permalink:"/api/puppeteer.elementhandle.waitforselector",draft:!1,unlisted:!1,tags:[],version:"21.6.1",frontMatter:{sidebar_label:"ElementHandle.waitForSelector"},sidebar:"api",previous:{title:"ElementHandle.uploadFile",permalink:"/api/puppeteer.elementhandle.uploadfile"},next:{title:"ElementHandle.waitForXPath",permalink:"/api/puppeteer.elementhandle.waitforxpath"}},s={},c=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Exceptions",id:"exceptions",level:2},{value:"Example",id:"example",level:2}];function p(e){const t={a:"a",code:"code",em:"em",h1:"h1",h2:"h2",h4:"h4",p:"p",pre:"pre",strong:"strong",table:"table",tbody:"tbody",td:"td",th:"th",thead:"thead",tr:"tr",...(0,o.a)(),...e.components};return(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(t.h1,{id:"elementhandlewaitforselector-method",children:"ElementHandle.waitForSelector() method"}),"\n",(0,r.jsx)(t.p,{children:"Wait for an element matching the given selector to appear in the current element."}),"\n",(0,r.jsxs)(t.p,{children:["Unlike ",(0,r.jsx)(t.a,{href:"/api/puppeteer.frame.waitforselector",children:"Frame.waitForSelector()"}),", this method does not work across navigations or if the element is detached from DOM."]}),"\n",(0,r.jsx)(t.h4,{id:"signature",children:"Signature:"}),"\n",(0,r.jsx)(t.pre,{children:(0,r.jsx)(t.code,{className:"language-typescript",children:"class ElementHandle {\n  waitForSelector<Selector extends string>(\n    selector: Selector,\n    options?: WaitForSelectorOptions\n  ): Promise<ElementHandle<NodeFor<Selector>> | null>;\n}\n"})}),"\n",(0,r.jsx)(t.h2,{id:"parameters",children:"Parameters"}),"\n",(0,r.jsxs)(t.table,{children:[(0,r.jsx)(t.thead,{children:(0,r.jsxs)(t.tr,{children:[(0,r.jsx)(t.th,{children:"Parameter"}),(0,r.jsx)(t.th,{children:"Type"}),(0,r.jsx)(t.th,{children:"Description"})]})}),(0,r.jsxs)(t.tbody,{children:[(0,r.jsxs)(t.tr,{children:[(0,r.jsx)(t.td,{children:"selector"}),(0,r.jsx)(t.td,{children:"Selector"}),(0,r.jsx)(t.td,{children:"The selector to query and wait for."})]}),(0,r.jsxs)(t.tr,{children:[(0,r.jsx)(t.td,{children:"options"}),(0,r.jsx)(t.td,{children:(0,r.jsx)(t.a,{href:"/api/puppeteer.waitforselectoroptions",children:"WaitForSelectorOptions"})}),(0,r.jsxs)(t.td,{children:[(0,r.jsx)(t.em,{children:"(Optional)"})," Options for customizing waiting behavior."]})]})]})]}),"\n",(0,r.jsx)(t.p,{children:(0,r.jsx)(t.strong,{children:"Returns:"})}),"\n",(0,r.jsxs)(t.p,{children:["Promise<",(0,r.jsx)(t.a,{href:"/api/puppeteer.elementhandle",children:"ElementHandle"}),"<",(0,r.jsx)(t.a,{href:"/api/puppeteer.nodefor",children:"NodeFor"}),"<Selector>> | null>"]}),"\n",(0,r.jsx)(t.p,{children:"An element matching the given selector."}),"\n",(0,r.jsx)(t.h2,{id:"exceptions",children:"Exceptions"}),"\n",(0,r.jsx)(t.p,{children:"Throws if an element matching the given selector doesn't appear."}),"\n",(0,r.jsx)(t.h2,{id:"example",children:"Example"}),"\n",(0,r.jsx)(t.pre,{children:(0,r.jsx)(t.code,{className:"language-ts",children:"import puppeteer from 'puppeteer';\n\n(async () => {\n  const browser = await puppeteer.launch();\n  const page = await browser.newPage();\n  let currentURL;\n  page\n    .mainFrame()\n    .waitForSelector('img')\n    .then(() => console.log('First URL with image: ' + currentURL));\n\n  for (currentURL of [\n    'https://example.com',\n    'https://google.com',\n    'https