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"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[56351],{77339:(e,n,t)=>{t.r(n),t.d(n,{assets:()=>o,contentTitle:()=>l,default:()=>d,frontMatter:()=>a,metadata:()=>i,toc:()=>c});var r=t(85893),s=t(11151);const a={sidebar_label:"Page.$$eval"},l="Page.$$eval() method",i={id:"api/puppeteer.page.__eval",title:"Page.$$eval() method",description:"This method runs Array.from(document.querySelectorAll(selector)) within the page and passes the result as the first argument to the pageFunction.",source:"@site/versioned_docs/version-22.7.0/api/puppeteer.page.__eval.md",sourceDirName:"api",slug:"/api/puppeteer.page.__eval",permalink:"/api/puppeteer.page.__eval",draft:!1,unlisted:!1,tags:[],version:"22.7.0",frontMatter:{sidebar_label:"Page.$$eval"},sidebar:"api",previous:{title:"Page.$$",permalink:"/api/puppeteer.page.__"},next:{title:"Page.$eval",permalink:"/api/puppeteer.page._eval"}},o={},c=[{value:"Signature:",id:"signature",level:4},{value:"Parameters",id:"parameters",level:2},{value:"Remarks",id:"remarks",level:2},{value:"Example 1",id:"example-1",level:2},{value:"Example 2",id:"example-2",level:2},{value:"Example 3",id:"example-3",level:2}];function p(e){const n={a:"a",code:"code",h1:"h1",h2:"h2",h4:"h4",p:"p",pre:"pre",strong:"strong",...(0,s.a)(),...e.components};return(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(n.h1,{id:"pageeval-method",children:"Page.$$eval() method"}),"\n",(0,r.jsxs)(n.p,{children:["This method runs ",(0,r.jsx)(n.code,{children:"Array.from(document.querySelectorAll(selector))"})," within the page and passes the result as the first argument to the ",(0,r.jsx)(n.code,{children:"pageFunction"}),"."]}),"\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 $$eval<\n Selector extends string,\n Params extends unknown[],\n Func extends EvaluateFuncWith<\n Array<NodeFor<Selector>>,\n Params\n > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,\n >(\n selector: Selector,\n pageFunction: Func | string,\n ...args: Params\n ): Promise<Awaited<ReturnType<Func>>>;\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.jsxs)("tbody",{children:[(0,r.jsxs)("tr",{children:[(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"selector"})}),(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"Selector"})}),(0,r.jsx)("td",{children:(0,r.jsxs)(n.p,{children:["the ",(0,r.jsx)(n.a,{href:"https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors",children:"selector"})," to query for"]})})]}),(0,r.jsxs)("tr",{children:[(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"pageFunction"})}),(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"Func | string"})}),(0,r.jsx)("td",{children:(0,r.jsxs)(n.p,{children:["the function to be evaluated in the page context. Will be passed the result of ",(0,r.jsx)(n.code,{children:"Array.from(document.querySelectorAll(selector))"})," as its first argument."]})})]}),(0,r.jsxs)("tr",{children:[(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"args"})}),(0,r.jsx)("td",{children:(0,r.jsx)(n.p,{children:"Params"})}),(0,r.jsx)("td",{children:(0,r.jsxs)(n.p,{children:["any additional arguments to pass through to ",(0,r.jsx)(n.code,{children:"pageFunction"}),"."]})})]})]})]}),"\n",(0,r.jsx)(n.p,{children:(0,r.jsx)(n.strong,{children:"Returns:"})}),"\n",(0,r.jsx)(n.p,{children:"Promise<Awaited<ReturnType<Func>>>"}),"\n",(0,r.jsxs)(n.p,{children:["The result of calling ",(0,r.jsx)(n.code,{children:"pageFunction"}),". If it returns an element it is wrapped in an ",(0,r.jsx)(n.a,{href:"/api/puppeteer.elementhandle",children:"ElementHandle"}),", else the raw value itself is returned."]}),"\n",(0,r.jsx)(n.h2,{id:"remarks",children:"Remarks"}
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