puppeteer/assets/js/5eb2eb1f.85a6d818.js

1 line
17 KiB
JavaScript

"use strict";(self.webpackChunkwebsite=self.webpackChunkwebsite||[]).push([[18765],{3905:(e,t,a)=>{a.d(t,{Zo:()=>o,kt:()=>s});var r=a(67294);function n(e,t,a){return t in e?Object.defineProperty(e,t,{value:a,enumerable:!0,configurable:!0,writable:!0}):e[t]=a,e}function p(e,t){var a=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),a.push.apply(a,r)}return a}function l(e){for(var t=1;t<arguments.length;t++){var a=null!=arguments[t]?arguments[t]:{};t%2?p(Object(a),!0).forEach((function(t){n(e,t,a[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(a)):p(Object(a)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(a,t))}))}return e}function i(e,t){if(null==e)return{};var a,r,n=function(e,t){if(null==e)return{};var a,r,n={},p=Object.keys(e);for(r=0;r<p.length;r++)a=p[r],t.indexOf(a)>=0||(n[a]=e[a]);return n}(e,t);if(Object.getOwnPropertySymbols){var p=Object.getOwnPropertySymbols(e);for(r=0;r<p.length;r++)a=p[r],t.indexOf(a)>=0||Object.prototype.propertyIsEnumerable.call(e,a)&&(n[a]=e[a])}return n}var m=r.createContext({}),u=function(e){var t=r.useContext(m),a=t;return e&&(a="function"==typeof e?e(t):l(l({},t),e)),a},o=function(e){var t=u(e.components);return r.createElement(m.Provider,{value:t},e.children)},d={inlineCode:"code",wrapper:function(e){var t=e.children;return r.createElement(r.Fragment,{},t)}},k=r.forwardRef((function(e,t){var a=e.components,n=e.mdxType,p=e.originalType,m=e.parentName,o=i(e,["components","mdxType","originalType","parentName"]),k=u(a),s=n,c=k["".concat(m,".").concat(s)]||k[s]||d[s]||p;return a?r.createElement(c,l(l({ref:t},o),{},{components:a})):r.createElement(c,l({ref:t},o))}));function s(e,t){var a=arguments,n=t&&t.mdxType;if("string"==typeof e||n){var p=a.length,l=new Array(p);l[0]=k;var i={};for(var m in t)hasOwnProperty.call(t,m)&&(i[m]=t[m]);i.originalType=e,i.mdxType="string"==typeof e?e:n,l[1]=i;for(var u=2;u<p;u++)l[u]=a[u];return r.createElement.apply(null,l)}return r.createElement.apply(null,a)}k.displayName="MDXCreateElement"},76016:(e,t,a)=>{a.r(t),a.d(t,{assets:()=>m,contentTitle:()=>l,default:()=>d,frontMatter:()=>p,metadata:()=>i,toc:()=>u});var r=a(87462),n=(a(67294),a(3905));const p={},l="Frame class",i={unversionedId:"api/puppeteer.frame",id:"api/puppeteer.frame",title:"Frame class",description:"At every point of time, page exposes its current frame tree via the page.mainFrame and frame.childFrames methods.",source:"@site/../docs/api/puppeteer.frame.md",sourceDirName:"api",slug:"/api/puppeteer.frame",permalink:"/puppeteer/api/puppeteer.frame",draft:!1,tags:[],version:"current",frontMatter:{},sidebar:"sidebar",previous:{title:"FlattenHandle type",permalink:"/puppeteer/api/puppeteer.flattenhandle"},next:{title:"Frame.$() method",permalink:"/puppeteer/api/puppeteer.frame._"}},m={},u=[{value:"Remarks",id:"remarks",level:2},{value:"Example 1",id:"example-1",level:2},{value:"Example 2",id:"example-2",level:2},{value:"Methods",id:"methods",level:2}],o={toc:u};function d(e){let{components:t,...a}=e;return(0,n.kt)("wrapper",(0,r.Z)({},o,a,{components:t,mdxType:"MDXLayout"}),(0,n.kt)("h1",{id:"frame-class"},"Frame class"),(0,n.kt)("p",null,"At every point of time, page exposes its current frame tree via the ",(0,n.kt)("a",{parentName:"p",href:"/puppeteer/api/puppeteer.page.mainframe"},"page.mainFrame")," and ",(0,n.kt)("a",{parentName:"p",href:"/puppeteer/api/puppeteer.frame.childframes"},"frame.childFrames")," methods."),(0,n.kt)("b",null,"Signature:"),(0,n.kt)("pre",null,(0,n.kt)("code",{parentName:"pre",className:"language-typescript"},"export declare class Frame\n")),(0,n.kt)("h2",{id:"remarks"},"Remarks"),(0,n.kt)("p",null,(0,n.kt)("inlineCode",{parentName:"p"},"Frame")," object lifecycles are controlled by three events that are all dispatched on the page object:"),(0,n.kt)("ul",null,(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("a",{parentName:"p",href:"/puppeteer/api/puppeteer.pageemittedevents"},"PageEmittedEvents.FrameAttached"))),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("a",{parentName:"p",href:"/puppeteer/api/puppeteer.pageemittedevents"},"PageEmittedEvents.FrameNavigated"))),(0,n.kt)("li",{parentName:"ul"},(0,n.kt)("p",{parentName:"li"},(0,n.kt)("a",{parentName:"p",href:"/puppeteer/api/puppeteer.pageemittedevents"},"PageEmittedEvents.FrameDetached")))),(0,n.kt)("p",null,"The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the ",(0,n.kt)("inlineCode",{parentName:"p"},"Frame")," class."),(0,n.kt)("h2",{id:"example-1"},"Example 1"),(0,n.kt)("p",null,"An example of dumping frame tree:"),(0,n.kt)("pre",null,(0,n.kt)("code",{parentName:"pre",className:"language-js"},"const puppeteer = require('puppeteer');\n\n(async () => {\n const browser = await puppeteer.launch();\n const page = await browser.newPage();\n await page.goto('https://www.google.com/chrome/browser/canary.html');\n dumpFrameTree(page.mainFrame(), '');\n await browser.close();\n\n function dumpFrameTree(frame, indent) {\n console.log(indent + frame.url());\n for (const child of frame.childFrames()) {\n dumpFrameTree(child, indent + ' ');\n }\n }\n})();\n")),(0,n.kt)("h2",{id:"example-2"},"Example 2"),(0,n.kt)("p",null,"An example of getting text from an iframe element:"),(0,n.kt)("pre",null,(0,n.kt)("code",{parentName:"pre",className:"language-js"},"const frame = page.frames().find(frame => frame.name() === 'myframe');\nconst text = await frame.$eval('.selector', element => element.textContent);\nconsole.log(text);\n")),(0,n.kt)("h2",{id:"methods"},"Methods"),(0,n.kt)("table",null,(0,n.kt)("thead",{parentName:"table"},(0,n.kt)("tr",{parentName:"thead"},(0,n.kt)("th",{parentName:"tr",align:null},"Method"),(0,n.kt)("th",{parentName:"tr",align:null},"Modifiers"),(0,n.kt)("th",{parentName:"tr",align:null},"Description"))),(0,n.kt)("tbody",{parentName:"table"},(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame._"},"$(selector)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"This method queries the frame for the given 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result.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.___1"},"$$(selector)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.__eval"},"$$eval(selector, pageFunction, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.__eval_1"},"$$eval(selector, pageFunction, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame._eval"},"$eval(selector, pageFunction, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame._eval_1"},"$eval(selector, pageFunction, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame._x"},"$x(expression)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"This method evaluates the given XPath expression and returns the results.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.addscripttag"},"addScriptTag(options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"Adds a ",(0,n.kt)("code",null,"<","script",">")," tag into the page with the desired url or content.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.addstyletag"},"addStyleTag(options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"Adds a ",(0,n.kt)("code",null,"<","link rel=",'"',"stylesheet",'"',">")," tag into the page with the desired url or a ",(0,n.kt)("code",null,"<","style type=",'"',"text/css",'"',">")," tag with the content.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.childframes"},"childFrames()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.click"},"click(selector, options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"This method clicks the first element found that matches ",(0,n.kt)("code",null,"selector"),".")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.content"},"content()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.evaluate"},"evaluate(pageFunction, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.evaluatehandle"},"evaluateHandle(pageFunction, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.executioncontext"},"executionContext()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.focus"},"focus(selector)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"This method fetches an element with ",(0,n.kt)("code",null,"selector")," and focuses it.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.goto"},"goto(url, options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.hover"},"hover(selector)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"This method fetches an element with ",(0,n.kt)("code",null,"selector"),", scrolls it into view if needed, and then uses ",(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.page.mouse"},"Page.mouse")," to hover over the center of the element.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.isdetached"},"isDetached()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.isoopframe"},"isOOPFrame()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.name"},"name()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.parentframe"},"parentFrame()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.select"},"select(selector, values)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"Triggers a ",(0,n.kt)("code",null,"change")," and ",(0,n.kt)("code",null,"input")," event once all the provided options have been selected.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.setcontent"},"setContent(html, options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"Set the content of the frame.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.tap"},"tap(selector)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"This method fetches an element with ",(0,n.kt)("code",null,"selector"),", scrolls it into view if needed, and then uses ",(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.page.touchscreen"},"Page.touchscreen")," to tap in the center of the element.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.title"},"title()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.type"},"type(selector, text, options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null},"Sends a ",(0,n.kt)("code",null,"keydown"),", ",(0,n.kt)("code",null,"keypress"),"/",(0,n.kt)("code",null,"input"),", and ",(0,n.kt)("code",null,"keyup")," event for each character in the text.")),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.url"},"url()")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.waitforfunction"},"waitForFunction(pageFunction, options, args)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.waitfornavigation"},"waitForNavigation(options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.waitforselector"},"waitForSelector(selector, options)")),(0,n.kt)("td",{parentName:"tr",align:null}),(0,n.kt)("td",{parentName:"tr",align:null})),(0,n.kt)("tr",{parentName:"tbody"},(0,n.kt)("td",{parentName:"tr",align:null},(0,n.kt)("a",{parentName:"td",href:"/puppeteer/api/puppeteer.frame.waitforselector_1"},"waitForSelector(selector, 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