How to use elementHandles method in Playwright Internal

Best JavaScript code snippet using playwright-internal

puppeteer.js

Source: puppeteer.js Github

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1let puppeteer = require("puppeteer");2let fs = require("fs");3let axios = require("axios");4const { rejects } = require("assert");5async function test(params) {6 /​/​ puppeteer.launch实例开启浏览器7 /​/​ 可以传入一个options对象,可以配置为有界面浏览器,同样可以配置为无界面浏览器8 /​/​ 无界面浏览器性能更高更快、有界面的一般用于前期调试,发布之后使用无界面的高效快速9 let options = {10 /​/​ 设置浏览器打开视图的宽高11 defaultViewport: {12 width: 1920,13 height: 1080,14 },15 /​/​ 打开有界面浏览器16 headless: false,17 };18 /​/​ 连接浏览器19 let browser = await puppeteer.launch(options);20 let page = await browser.newPage(); /​/​ 备注 page.xx返回的都是promise21 /​/​ 打开浏览器22 await page.goto(23 "https:/​/​image.baidu.com/​search/​index?tn=baiduimage&ct=201326592&lm=-1&cl=2&ie=gb18030&word=%B4%F3%D0%D8%D0%D4%B8%D0%C3%C3%D7%D3&fr=ala&ala=1&alatpl=adress&pos=0&hs=2&xthttps=111111"24 );25 /​/​ 截图 生成图片 路径是当前路径的同级路径26 await page.screenshot({ path: "baidu.png" });27 /​/​ 通过点击页面跳转的方式28 let elementHandles = await page.$$(".imgitem");29 console.log(elementHandles);30 /​/​ 这里的2指的是第三个元素 元素下标是从0开始的31 elementHandles[2].click();32 /​/​ 如果是电影网站我们需要代码去操作输入框并写入搜索内容去点击搜索33 let inputSearch = page.$(".search .formhue");34 (await inputSearch).focus();35 /​/​ 往输入框输入内容36 page.keyboard.type("孙悟空");37 /​/​ 点击按钮回车38 let btnElem = page.$(".search .btn");39 (await btnElem).click();40 /​/​ 因为这种电影网站一般最外层包裹着一个a标签会有默认事件 阻止默认事件41 await page.$(".searcher", (item) => {42 item.addEvenetListener("click", (event) => {43 event.stopProperation();44 });45 });46 return;47 /​/​ 获取页面内容 获取到querySelectAll所有的元素48 /​/​ page.$$eval获取到的是真是的元素信息49 let myElements = await page.$$eval(".imgitem", (elements) => {50 let eles = [];51 elements.forEach(async (item, index) => {52 console.log(item.getAttribute("data-objurl"));53 let eleObj = {54 href: item.getAttribute("data-objurl"),55 name: item.getAttribute("data-title"),56 index: index,57 };58 eles.push(eleObj);59 });60 return eles;61 });62 console.log(myElements);63 /​/​ 重新打开一个新页面64 let pageOn = await browser.newPage();65 pageOn.goto(myElements[2].href);66 page.on("console", (eventMsg) => {67 console.log(eventMsg);68 });69}...

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index.js

Source: index.js Github

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1const path = require("path");2const chalk = require("chalk");3const puppeteer = require("puppeteer");4const makeDir = require("make-dir");5const downloadImage = require("image-downloader").image;6const ora = require("ora");7const apng2gif = require("apng2gif");8const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));9function createContext(config) {10 const { url, dest = "stickers", animatedWaitDelay, convertToGif } = config;11 return {12 spinner: ora("Downloading stickers..."),13 config: {14 url,15 dest,16 animatedWaitDelay,17 convertToGif,18 },19 };20}21async function scrapeStickerUrls(context) {22 const { url: pageUrl, animatedWaitDelay } = context.config;23 const browser = await puppeteer.launch();24 const page = await browser.newPage();25 await page.goto(pageUrl);26 const stickerUrls = [];27 const elementHandles = await page.$$('ul > li [style^="background-image"]');28 if (elementHandles.length === 0) {29 throw new Error("Could not find any stickers on the specified page");30 }31 let index = 0;32 const total = elementHandles.length;33 for (const elementHandle of elementHandles) {34 index++;35 context.spinner.text = `Scraping stickers (${index}/​${total})...`;36 await elementHandle.click();37 await sleep(animatedWaitDelay);38 const canvasHandles = await page.$$("canvas[data-apng-src]");39 let url;40 if (canvasHandles.length === 2) {41 /​/​ First canvas is the product image; skip it42 url = await await page.evaluate(43 (el) => el.getAttribute("data-apng-src"),44 canvasHandles[1]45 );46 } else {47 /​/​ Treat as non-animated sticker48 url = await page.evaluate(49 (el) => el.style.backgroundImage.replace(/​^url\("|"\)/​g, ""),50 elementHandle51 );52 }53 stickerUrls.push(url);54 }55 browser.close();56 return stickerUrls;57}58async function downloadStickers(config = {}) {59 let context;60 try {61 context = createContext(config);62 const {63 spinner,64 config: { dest, convertToGif },65 } = context;66 spinner.start();67 const urls = await scrapeStickerUrls(context);68 await makeDir(dest);69 context.spinner.text = `Downloading ${urls.length} stickers...`;70 await Promise.all(71 urls.map((url, i) =>72 downloadImage({73 url,74 dest: path.join(dest, `sticker-${i + 1}.png`),75 })76 )77 );78 if (convertToGif) {79 context.spinner.text = `Converting ${urls.length} stickers to GIF...`;80 await Promise.all(81 urls.map((url, i) => apng2gif(path.join(dest, `sticker-${i + 1}.png`)))82 );83 }84 spinner.succeed(chalk.green(`Saved stickers to ${dest}/​`));85 } catch (err) {86 if (context) {87 context.spinner.fail(chalk.red(err.message));88 }89 console.error(err.stack);90 process.exit(1);91 }92}...

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example.js

Source: example.js Github

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1/​/​ https:/​/​www.wantedly.com/​companies/​tutorial/​post_articles/​2962202const puppeteer = require('puppeteer');3(async () => {4 const browser = await puppeteer.launch();5 const page = await browser.newPage();6 await page.goto('https:/​/​tutorial.co.jp/​');7 /​/​ スクリーンショット8 /​/​ await page.screenshot({path: 'tutorial.png'});9 /​/​ サイトの住所のセレクタを取得10 /​/​ 取得したセレクタを設定する11 let address = await page.evaluate(() => {12 return document.querySelector('body > section:nth-child(5) > div > div > div.col-md-10.m-auto > div > div:nth-child(2) > div > div > p').textContent;13 })14 console.log(address)15 /​/​ 取得したセレクタを設定する16 /​/​ let selector = 'body > section:nth-child(5) > div > div > div.col-md-10.m-auto > div > div:nth-child(1) > div > div > p'; /​/​ ここだと、下記で認識されない17 let name = await page.evaluate(() => {18 let selector = 'body > section:nth-child(5) > div > div > div.col-md-10.m-auto > div > div:nth-child(1) > div > div > p'; /​/​ ここだと、下記で認識される19 console.log(selector)20 return document.querySelector(selector).textContent;21 /​/​ return document.querySelector('body > section:nth-child(5) > div > div > div.col-md-10.m-auto > div > div:nth-child(1) > div > div > p').textContent;22 })23 console.log(name)24 25 /​/​ XPathで取得する26 /​/​ let xpath = await page.evaluate(() => {27 /​/​ /​/​ return document.querySelector('/​/​*[@id="Amplify_ToDo"]').textContent; /​/​ XPathをコピー28 /​/​ /​/​ return document.querySelector('/​html/​body/​div[1]/​section[2]/​div/​div/​div[1]/​article/​div[2]/​div[2]/​h2[1]/​span').textContent; /​/​ 完全なXPathをコピー29 /​/​ })30 31 /​/​ https:/​/​swfz.hatenablog.com/​entry/​2020/​07/​23/​01004432 const xpath = '/​html/​body/​section[2]/​div/​div/​div[2]/​div/​div[1]/​div/​div/​p';33 /​/​ const elementHandles = await page.$x('/​html/​body/​section[2]/​div/​div/​div[2]/​div/​div[1]/​div/​div/​p'); /​/​ XPathをコピー34 const elementHandles = await page.$x(xpath); /​/​ 完全なXPathをコピー35 /​/​ console.log(elementHandles)36 /​/​ console.log(elementHandles[0])37 /​/​ console.log(elementHandles[0].getProperty('p'))38 /​/​ console.log(elementHandles[0].innerText)39 /​/​ const url = await(await elementHandles[0].getProperty('href')).jsonValue();40 /​/​ txt= await elementHandles.getProperty('textContent');41 /​/​ console.log(txt)42 await browser.close();...

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Node.js

Source: Node.js Github

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1import hasClass from '../​utils/​hasClass';2import getBoundingClientRect from '../​utils/​getBoundingClientRect';3import getCenterPositon from '../​utils/​getCenterPositon';4import drag from '../​utils/​drag';5import BasePageObject from './​BasePageObject';6import Pin from './​Pin';7class Node extends BasePageObject {8 getId() {9 return this.page.evaluate(el => el.id, this.elementHandle);10 }11 async getName() {12 return this.page.evaluate(13 el => el.textContent,14 await this.elementHandle.$('.nodeLabel')15 );16 }17 getBoundingClientRect() {18 return getBoundingClientRect(this.page, this.elementHandle);19 }20 isSelected() {21 return hasClass(this.page, this.elementHandle, 'is-selected');22 }23 async click() {24 /​/​ see https:/​/​github.com/​GoogleChrome/​puppeteer/​issues/​124725 const rect = await getBoundingClientRect(this.page, this.elementHandle);26 const { x, y } = getCenterPositon(rect);27 await this.page.mouse.click(x, y);28 }29 drag(x, y) {30 return drag(this.page, this.elementHandle, { x, y });31 }32 async findPinByName(name) {33 const nodeId = await this.getId();34 /​/​ generally we should use only `this.elementHandle.$`, but in this case it's unavoidable35 const pinElementHandle = await this.page.$(36 `#nodePinsOverlay_${nodeId} .PinOverlay[data-label="${name}"]`37 );38 if (!pinElementHandle) return null;39 return new Pin(this.page, pinElementHandle);40 }41}42Node.findByName = async (page, nodeName) => {43 const elementHandle = await page.$(`.Node[data-label="${nodeName}"]`);44 if (!elementHandle) return null;45 return new Node(page, elementHandle);46};47Node.findById = async (page, nodeId) => {48 const elementHandle = await page.$(`#${nodeId}`);49 if (!elementHandle) return null;50 return new Node(page, elementHandle);51};52export default Node;53export const getAllNodes = async page => {54 const elementHandles = await page.$$('.Node');55 return elementHandles.map(eh => new Node(page, eh));56};57export const getAllNodeIds = async page => {58 const nodes = await getAllNodes(page);59 return Promise.all(nodes.map(node => node.getId()));60};61export const getSelectedNodes = async page => {62 const elementHandles = await page.$$('.Node.is-selected');63 return elementHandles.map(eh => new Node(page, eh));...

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download.js

Source: download.js Github

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1const path = require("path");2const chalk = require("chalk");3const puppeteer = require("puppeteer");4const makeDir = require("make-dir");5const downloadImage = require("image-downloader").image;6const ora = require("ora");7const scrapeStickerUrls = async (url, stickerPackageId) => {8 const pageUrl = `${url}/​${stickerPackageId}`;9 const browser = await puppeteer.launch();10 const page = await browser.newPage();11 await page.goto(pageUrl);12 const elementHandles = await page.evaluate(() =>13 [...document.querySelectorAll(".FnStickerPreviewItem")].map((element) =>14 JSON.parse(element.getAttribute("data-preview"))15 )16 );17 if (elementHandles.length === 0) {18 throw new Error("Could not find any stickers on the specified page");19 }20 const stickerUrls = elementHandles.map(({ id, staticUrl }) => ({21 stickerId: id,22 stickerStaticUrl: staticUrl.split(";")[0],23 }));24 browser.close();25 return stickerUrls;26}27const downloadImg = async (urls, imgPath) => {28 try {29 await Promise.all(30 urls.map((url) =>31 downloadImage({32 url: url.stickerStaticUrl,33 dest: path.join(imgPath, `sticker-${url.stickerId}.png`),34 })35 )36 );37 } catch (error) {38 console.log(error);39 }40}41const index = async (args= {}) => {42 const spinner = ora("Downloading stickers...");43 44 try {45 const { url, stickerPackageIds, path } = args;46 spinner.start();47 for (let i = 0; i < stickerPackageIds.length; i++) {48 const stickerPackageId = stickerPackageIds[i];49 const imgUrls = await scrapeStickerUrls(url, stickerPackageId);50 await makeDir(`${path}/​${stickerPackageId}`);51 await downloadImg(imgUrls, `${path}/​${stickerPackageId}`);52 spinner.text = `Downloading ${stickerPackageId} - ${imgUrls.length} stickers...`;53 }54 spinner.succeed(chalk.green(`Saved stickers to ${path}/​`));55 } catch (err) {56 if (args) {57 spinner.fail(chalk.red(err.message));58 }59 console.error(err.stack);60 process.exit(1);61 }62}...

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2.js

Source: 2.js Github

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1const pupperteer =require('puppeteer')2/​/​ console.log(pupperteer);3/​/​配置网页大小4let options={5 defaultViewport:{width:1080,height:1920},6 headless:false/​/​可选配置项设置有无界面游览器7}8async function test(){9 /​/​创建游览器实例10 let browser=await pupperteer.launch(options)11 12 13 /​/​打开一个界面14 const page=await browser.newPage();15 16 /​/​访问网站17 /​/​ await page.goto('http:/​/​baidu.com');18 await page.goto('https:/​/​www.dytt8.net/​');19 20 /​/​获取页面对象21 elementHandles=await page.$$('#menu li a');22 await elementHandles[2].click()23 /​/​去掉广告24 await page.$eval('body #cs_ap_8040',(e)=>{25 e.href='#'26 })27 await page.$eval('#cs_kd_div #cs_kd_form',(e)=>{28 e.action="#"29 })30 31 /​/​通过表单输入进行搜索32 inputbtn=await page.$('.searchl .formhue');33 /​/​让输入框聚焦34 await inputbtn.focus()35 /​/​输入框输入内容36 await page.keyboard.type('蝙蝠侠')37 /​/​点击搜索按钮38 let btn=await page.$('.search input[type="Submit"]')39 await btn.click();40 41 42 43}...

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03-locators.js

Source: 03-locators.js Github

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...11 await page.goto("https:/​/​the-internet.herokuapp.com/​disappearing_elements", {12 waitUntil: "domcontentloaded",13 timeout: 10000,14 });15 elements = await menuItems.elementHandles();16 elementCount = elements.length;17 console.log("First load >> Number of menu items: ", elementCount);18 await page.reload({ waitUntil: "domcontentloaded" });19 elements = await menuItems.elementHandles();20 elementCount = elements.length;21 console.log("Second load >> Number of menu items: ", elementCount);22 await browser.close();...

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get.js

Source: get.js Github

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1const { createActionResultSave } = require('../​lib/​resultActions');2const get = async (page, { targetSelector, xpath }) => {3 let result = [];4 try {5 let elementHandles;6 if (targetSelector) {7 elementHandles = await page.$$(targetSelector);8 }9 if (xpath) {10 elementHandles = await page.$x(xpath);11 }12 if (elementHandles && elementHandles.length > 0) {13 result = await Promise.all(elementHandles.map(element => element.evaluate(e =>e.innerText)));14 }15 } catch (error) {16 console.error(error.message);17 } finally {18 return createActionResultSave(result);19 }20}...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.fill('input[name="q"]', 'playwright');7 await page.keyboard.press('Enter');8 await page.waitForSelector('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');9 const elementHandles = await page.$$('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');10 console.log(elementHandles.length);11 await browser.close();12})();13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch();16 const context = await browser.newContext();17 const page = await context.newPage();18 await page.fill('input[name="q"]', 'playwright');19 await page.keyboard.press('Enter');20 await page.waitForSelector('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');21 const elementHandle = await page.$('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');22 console.log(elementHandle);23 await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27 const browser = await chromium.launch();28 const context = await browser.newContext();29 const page = await context.newPage();30 await page.fill('input[name="q"]', 'playwright');31 await page.keyboard.press('Enter');32 await page.waitForSelector('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');33 const elementHandle = await page.$('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');34 console.log(elementHandle);35 await browser.close();36})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.fill('input[title="Search"]', 'Playwright');7 await page.click('input[value="Google Search"]');8 await page.waitForNavigation();9 await page.waitForNavigation();10 await page.waitForNavigation();11 await page.waitForNavigation();12 const elementHandle = await page.$('text=elementHandles');13 await elementHandle.scrollIntoViewIfNeeded();14 await elementHandle.click();15 await page.waitForNavigation();16 await page.click('text=elementHandles');17 await page.waitForNavigation();18 await page.click('text=elementHandles');19 await page.waitForNavigation();20 await page.click('text=elementHandles');21 await page.waitForNavigation();22 await browser.close();23})();24const { chromium } = require('playwright');25(async () => {26 const browser = await chromium.launch({ headless: false });27 const context = await browser.newContext();28 const page = await context.newPage();29 await page.fill('input[title="Search"]', 'Playwright');30 await page.click('input[value="Google Search"]');31 await page.waitForNavigation();32 await page.waitForNavigation();33 await page.waitForNavigation();34 await page.waitForNavigation();35 const elementHandle = await page.$('text=elementHandles');36 await elementHandle.scrollIntoViewIfNeeded();37 await elementHandle.click();38 await page.waitForNavigation();39 await page.click('text=elementHandles');40 await page.waitForNavigation();41 await page.click('text=elementHandles');42 await page.waitForNavigation();43 await page.click('text

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const elementHandle = await page.$('text=Get started');7 await elementHandle.click();8 await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 const page = await context.newPage();15 const elementHandle = await page.$('text=Get started');16 await elementHandle.click();17 await browser.close();18})();19const { chromium } = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const context = await browser.newContext();23 const page = await context.newPage();24 const elementHandle = await page.$('text=Get started');25 await elementHandle.click();26 await browser.close();27})();28const { chromium } = require('playwright');29(async () => {30 const browser = await chromium.launch();31 const context = await browser.newContext();32 const page = await context.newPage();33 const elementHandle = await page.$('text=Get started');34 await elementHandle.click();35 await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39 const browser = await chromium.launch();40 const context = await browser.newContext();41 const page = await context.newPage();42 const elementHandle = await page.$('text=Get started');43 await elementHandle.click();44 await browser.close();45})();46const { chromium } = require('playwright');47(async () => {

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 const searchBox = await page.$('input[name="q"]');6 await searchBox.type('Playwright');7 await searchBox.press('Enter');8 await page.waitForSelector('text=Playwright · Node library to automate Chromium, Firefox and WebKit with a single API');9 const link = await page.$('text=Playwright · Node library to automate Chromium, Firefox and WebKit with a single API');10 await link.click();11 await page.waitForSelector('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');12 const text = await page.$('text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API');13 await text.click();14 await browser.close();15})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const fs = require('fs');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.waitForSelector('input[name="q"]');8 await page.type('input[name="q"]', 'Playwright');9 await page.click('input[name="btnK"]');10 await page.waitForSelector('h3.LC20lb');11 const elementHandles = await page.$$('h3.LC20lb');12 let i = 0;13 for (const elementHandle of elementHandles) {14 const text = await elementHandle.textContent();15 console.log(text);16 await elementHandle.screenshot({ path: `screenshot-${i++}.png` });17 }18 await browser.close();19})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const path = require('path');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.fill('input[name="q"]', 'Playwright');8 await page.click('text=Google Search');9 const searchResults = await page.$$('div.g');10 const firstSearchResult = searchResults[0];11 const firstSearchResultTitle = await firstSearchResult.$eval('h3', (element) => element.innerText);12 console.log(firstSearchResultTitle);13 const firstSearchResultLink = await firstSearchResult.$eval('a', (element) => element.href);14 console.log(firstSearchResultLink);15 const firstSearchResultDescription = await firstSearchResult.$eval('div > div > div > span', (element) => element.innerText);16 console.log(firstSearchResultDescription);17 await browser.close();18})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const fs = require('fs');3const path = require('path');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const input = await page.$('input[type="text"]');9 const inputBox = await input.elementHandle();10 await inputBox.type('Hello World');11 await page.screenshot({ path: 'google.png' });12 await browser.close();13})();14const { chromium } = require('playwright');15const fs = require('fs');16const path = require('path');17(async () => {18 const browser = await chromium.launch();19 const context = await browser.newContext();20 const page = await context.newPage();21 const input = await page.$('input[type="text"]');22 await input.type('Hello World');23 await page.screenshot({ path: 'google.png' });24 await browser.close();25})();26const { chromium } = require('playwright');27const fs = require('fs');28const path = require('path');29(async () => {30 const browser = await chromium.launch();31 const context = await browser.newContext();32 const page = await context.newPage();33 const input = await page.$('input[type="text"]');34 await input.type('Hello World');35 await page.screenshot({ path: 'google.png' });36 await browser.close();37})();38const { chromium } = require('playwright');39const fs = require('fs');40const path = require('path');41(async () => {42 const browser = await chromium.launch();43 const context = await browser.newContext();44 const page = await context.newPage();45 const input = await page.$('input[type="text"]');46 await input.type('Hello World');47 await page.screenshot({ path: 'google.png' });48 await browser.close();49})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.screenshot({ path: 'google.png' });6 await browser.close();7})();8const { chromium } = require('playwright');9(async () => {10 const browser = await chromium.launch();11 const page = await browser.newPage();12 const elementHandles = await page.$$('input');13 console.log(elementHandles);14 await browser.close();15})();16const { chromium } = require('playwright');17(async () => {18 const browser = await chromium.launch();19 const page = await browser.newPage();20 const elementHandles = await page.$$('input');21 console.log(elementHandles);22 await browser.close();23})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 if (elementHandle) {7 await elementHandle.click();8 }9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 if (elementHandle) {17 await elementHandle.click();18 }19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 const page = await context.newPage();26 if (elementHandle) {27 await elementHandle.click();28 }29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const context = await browser.newContext();35 const page = await context.newPage();

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 const elementHandle = await page.$('input.new-todo');

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Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

How to run a list of test suites in a single file concurrently in jest?

Running Playwright in Azure Function

firefox browser does not start in playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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