"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[98698],{3905:(e,t,n)=>{n.d(t,{Zo:()=>s,kt:()=>v});vara=n(67294);functionr(e,t,n){returntine?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}functiono(e,t){varn=Object.keys(e);if(Object.getOwnPropertySymbols){vara=Object.getOwnPropertySymbols(e);t&&(a=a.filter((function(t){returnObject.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,a)}returnn}functioni(e){for(vart=1;t<arguments.length;t++){varn=null!=arguments[t]?arguments[t]:{};t%2?o(Object(n),!0).forEach((function(t){r(e,t,n[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(n)):o(Object(n)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(n,t))}))}returne}functionl(e,t){if(null==e)return{};varn,a,r=function(e,t){if(null==e)return{};varn,a,r={},o=Object.keys(e);for(a=0;a<o.length;a++)n=o[a],t.indexOf(n)>=0||(r[n]=e[n]);returnr}(e,t);if(Object.getOwnPropertySymbols){varo=Object.getOwnPropertySymbols(e);for(a=0;a<o.length;a++)n=o[a],t.indexOf(n)>=0||Object.prototype.propertyIsEnumerable.call(e,n)&&(r[n]=e[n])}returnr}varp=a.createContext({}),u=function(e){vart=a.useContext(p),n=t;returne&&(n="function"==typeofe?e(t):i(i({},t),e)),n},s=function(e){vart=u(e.components);returna.createElement(p.Provider,{value:t},e.children)},c={inlineCode:"code",wrapper:function(e){vart=e.children;returna.createElement(a.Fragment,{},t)}},d=a.forwardRef((function(e,t){varn=e.components,r=e.mdxType,o=e.originalType,p=e.parentName,s=l(e,["components","mdxType","originalType","parentName"]),d=u(n),v=r,f=d["".concat(p,".").concat(v)]||d[v]||c[v]||o;returnn?a.createElement(f,i(i({ref:t},s),{},{components:n})):a.createElement(f,i({ref:t},s))}));functionv(e,t){varn=arguments,r=t&&t.mdxType;if("string"==typeofe||r){varo=n.length,i=newArray(o);i[0]=d;varl={};for(varpint)hasOwnProperty.call(t,p)&&(l[p]=t[p]);l.originalType=e,l.mdxType="string"==typeofe?e:r,i[1]=l;for(varu=2;u<o;u++)i[u]=n[u];returna.createElement.apply(null,i)}returna.createElement.apply(null,n)}d.displayName="MDXCreateElement"},59344:(e,t,n)=>{n.r(t),n.d(t,{assets:()=>u,contentTitle:()=>l,default:()=>d,frontMatter:()=>i,metadata:()=>p,toc:()=>s});n(67294);vara=n(3905);functionr(){returnr=Object.assign||function(e){for(vart=1;t<arguments.length;t++){varn=arguments[t];for(varainn)Object.prototype.hasOwnProperty.call(n,a)&&(e[a]=n[a])}returne},r.apply(this,arguments)}functiono(e,t){if(null==e)return{};varn,a,r=function(e,t){if(null==e)return{};varn,a,r={},o=Object.keys(e);for(a=0;a<o.length;a++)n=o[a],t.indexOf(n)>=0||(r[n]=e[n]);returnr}(e,t);if(Object.getOwnPropertySymbols){varo=Object.getOwnPropertySymbols(e);for(a=0;a<o.length;a++)n=o[a],t.indexOf(n)>=0||Object.prototype.propertyIsEnumerable.call(e,n)&&(r[n]=e[n])}returnr}consti={},l="Evaluate JavaScript",p={unversionedId:"guides/evaluate-javascript",id:"version-20.8.2/guides/evaluate-javascript",title:"Evaluate JavaScript",description:"Puppeteer allows evaluating JavaScript functions in the context of the page",source:"@site/versioned_docs/version-20.8.2/guides/evaluate-javascript.md",sourceDirName:"guides",slug:"/guides/evaluate-javascript",permalink:"/guides/evaluate-javascript",draft:!1,tags:[],version:"20.8.2",frontMatter:{},sidebar:"docs",previous:{title:"Locators",permalink:"/guides/locators"},next:{title:"Docker",permalink:"/guides/docker"}},u={},s=[{value:"Return types",id:"return-types",level:2},{value:"Passing arguments to the evaluate function",id:"passing-arguments-to-the-evaluate-function",level:2}],c={toc:s};functiond(e){var{components:t}=e,n=o(e,["components"]);return(0,a.kt)("wrapper",r({},c,n,{components:t,mdxType:"MDXLayout"}),(0,a.kt)("h1",r({},{id:"evaluate-javascript"}),"Evaluate JavaScript"),(0,a.kt)("p",null,"Puppeteer allows evaluating JavaScript functions in the context of the page\ndriven by Puppeteer:"),(0,a.kt)("pre",null,(0,a.kt)("code",r({parentName:"pre"},{className:"language-ts"}),"// Imp
