puppeteer/assets/js/013051ac.49b0f931.js

"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[26787],{3905:(e,t,r)=>{r.d(t,{Zo:()=>c,kt:()=>m});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 o(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 l(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{};t%2?o(Object(r),!0).forEach((function(t){a(e,t,r[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(r)):o(Object(r)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(r,t))}))}return e}function p(e,t){if(null==e)return{};var r,n,a=function(e,t){if(null==e)return{};var r,n,a={},o=Object.keys(e);for(n=0;n<o.length;n++)r=o[n],t.indexOf(r)>=0||(a[r]=e[r]);return a}(e,t);if(Object.getOwnPropertySymbols){var o=Object.getOwnPropertySymbols(e);for(n=0;n<o.length;n++)r=o[n],t.indexOf(r)>=0||Object.prototype.propertyIsEnumerable.call(e,r)&&(a[r]=e[r])}return a}var u=n.createContext({}),i=function(e){var t=n.useContext(u),r=t;return e&&(r="function"==typeof e?e(t):l(l({},t),e)),r},c=function(e){var t=i(e.components);return n.createElement(u.Provider,{value:t},e.children)},d={inlineCode:"code",wrapper:function(e){var t=e.children;return n.createElement(n.Fragment,{},t)}},s=n.forwardRef((function(e,t){var r=e.components,a=e.mdxType,o=e.originalType,u=e.parentName,c=p(e,["components","mdxType","originalType","parentName"]),s=i(r),m=a,k=s["".concat(u,".").concat(m)]||s[m]||d[m]||o;return r?n.createElement(k,l(l({ref:t},c),{},{components:r})):n.createElement(k,l({ref:t},c))}));function m(e,t){var r=arguments,a=t&&t.mdxType;if("string"==typeof e||a){var o=r.length,l=new Array(o);l[0]=s;var p={};for(var u in t)hasOwnProperty.call(t,u)&&(p[u]=t[u]);p.originalType=e,p.mdxType="string"==typeof e?e:a,l[1]=p;for(var i=2;i<o;i++)l[i]=r[i];return n.createElement.apply(null,l)}return n.createElement.apply(null,r)}s.displayName="MDXCreateElement"},35158:(e,t,r)=>{r.r(t),r.d(t,{assets:()=>u,contentTitle:()=>l,default:()=>d,frontMatter:()=>o,metadata:()=>p,toc:()=>i});var n=r(87462),a=(r(67294),r(3905));const o={},l="WebWorker.evaluateHandle() method",p={unversionedId:"api/puppeteer.webworker.evaluatehandle",id:"api/puppeteer.webworker.evaluatehandle",title:"WebWorker.evaluateHandle() method",description:"The only difference between worker.evaluate and worker.evaluateHandle is that worker.evaluateHandle returns in-page object (JSHandle). If the function passed to the worker.evaluateHandle returns a Promise, then worker.evaluateHandle would wait for the promise to resolve and return its value. Shortcut for await worker.executionContext()).evaluateHandle(pageFunction, ...args)",source:"@site/../docs/api/puppeteer.webworker.evaluatehandle.md",sourceDirName:"api",slug:"/api/puppeteer.webworker.evaluatehandle",permalink:"/puppeteer/api/puppeteer.webworker.evaluatehandle",draft:!1,tags:[],version:"current",frontMatter:{},sidebar:"sidebar",previous:{title:"WebWorker.evaluate() method",permalink:"/puppeteer/api/puppeteer.webworker.evaluate"},next:{title:"WebWorker.executionContext() method",permalink:"/puppeteer/api/puppeteer.webworker.executioncontext"}},u={},i=[{value:"Parameters",id:"parameters",level:2}],c={toc:i};function d(e){let{components:t,...r}=e;return(0,a.kt)("wrapper",(0,n.Z)({},c,r,{components:t,mdxType:"MDXLayout"}),(0,a.kt)("h1",{id:"webworkerevaluatehandle-method"},"WebWorker.evaluateHandle() method"),(0,a.kt)("p",null,"The only difference between ",(0,a.kt)("inlineCode",{parentName:"p"},"worker.evaluate")," and ",(0,a.kt)("inlineCode",{parentName:"p"},"worker.evaluateHandle")," is that ",(0,a.kt)("inlineCode",{parentName:"p"},"worker.evaluateHandle")," returns in-page object (JSHandle). If the function passed to the ",(0,a.kt)("inlineCode",{parentName:"p"},"worker.evaluateHandle")," returns a ",(0,a.kt)("inlineCode",{parentName:"p"},"Promise"),", then ",(0,a.kt)("inlineCode",{parentName:"p"},"worker.evaluateHandle")," would wait for the promise to resolve and return its value. Shortcut for ",(0,a.kt)("inlineCode",{parentName:"p"},"await worker.executionContext()).evaluateHandle(pageFunction, ...args)")),(0,a.kt)("p",null,(0,a.kt)("strong",{parentName:"p"},"Signature:")),(0,a.kt)("pre",null,(0,a.kt)("code",{parentName:"pre",className:"language-typescript"},"evaluateHandle<Params extends unknown[], Func extends EvaluateFunc<Params> = EvaluateFunc<Params>>(pageFunction: Func | string, ...args: Params): Promise<HandleFor<Awaited<ReturnType<Func>>>>;\n")),(0,a.kt)("h2",{id:"parameters"},"Parameters"),(0,a.kt)("table",null,(0,a.kt)("thead",{parentName:"table"},(0,a.kt)("tr",{parentName:"thead"},(0,a.kt)("th",{parentName:"tr",align:null},"Parameter"),(0,a.kt)("th",{parentName:"tr",align:null},"Type"),(0,a.kt)("th",{parentName:"tr",align:null},"Description"))),(0,a.kt)("tbody",{parentName:"table"},(0,a.kt)("tr",{parentName:"tbody"},(0,a.kt)("td",{parentName:"tr",align:null},"pageFunction"),(0,a.kt)("td",{parentName:"tr",align:null},"Func ","|"," string"),(0,a.kt)("td",{parentName:"tr",align:null},"Function to be evaluated in the page context.")),(0,a.kt)("tr",{parentName:"tbody"},(0,a.kt)("td",{parentName:"tr",align:null},"args"),(0,a.kt)("td",{parentName:"tr",align:null},"Params"),(0,a.kt)("td",{parentName:"tr",align:null},"Arguments to pass to ",(0,a.kt)("code",null,"pageFunction"),".")))),(0,a.kt)("p",null,(0,a.kt)("strong",{parentName:"p"},"Returns:")),(0,a.kt)("p",null,"Promise","<",(0,a.kt)("a",{parentName:"p",href:"/puppeteer/api/puppeteer.handlefor"},"HandleFor"),"<","Awaited","<","ReturnType","<","Func",">",">",">",">"),(0,a.kt)("p",null,"Promise which resolves to the return value of ",(0,a.kt)("inlineCode",{parentName:"p"},"pageFunction"),"."))}d.isMDXComponent=!0}}]);