How to use printDOM method in Playwright Internal

Best JavaScript code snippet using playwright-internal

pdf.js

Source:pdf.js Github

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1var a=function (isPrint){2 let title = "你想要的保存pdf文件的名字"3 // 如果这个页面有左右移动,canvas 也要做响应的移动，不然会出现canvas 内容不全4 const xOffset = window.pageXOffset5 // 避免笔下误 灯下黑 统一写6 const A4_WIDTH = 592.287 // const A4_HEIGHT = 841.898 const A4_HEIGHT = 8809 let printDom = document.querySelector('#printBox')10 // 根据A4的宽高计算DOM页面一页应该对应的高度11 let pageHeight = printDom.offsetWidth / A4_WIDTH * A4_HEIGHT12 // 将所有不允许被截断的元素进行处理13 let wholeNodes = document.querySelectorAll('.whole-node')14 for (let i = 0; i < wholeNodes.length; i++) {15 //1、 判断当前的不可分页元素是否在两页显示16 const topPageNum = Math.ceil((wholeNodes[i].offsetTop) / pageHeight)17 const bottomPageNum = Math.ceil((wholeNodes[i].offsetTop + wholeNodes[i] + offsetHeight) / pageHeight)18 if (topPageNum !== bottomPageNum) {19 //说明该dom会被截断20 // 2、插入空白块使被截断元素下移21 let divParent = wholeNodes[i].parentNode22 let newBlock = document.createElement('div')23 newBlock.className = 'emptyDiv'24 newBlock.style.background = '#fff'25 // 3、计算插入空白块的高度 可以适当流出空间使得内容太靠边，根据自己需求而定26 let _H = topPageNum * pageHeight - wholeNodes[i].offsetTop27 newBlock.style.height = _H + 30 + 'px'28 divParent.insertBefore(newBlock, wholeNodes[i])29 }30 // 以上完成dom层面的分页 可以转为图片进一步处理了31 html2Canvas(printDom, { height: printDom.offsetHeight, width: printDom.offsetWidth, scrollX: -xOffset, allowTaint: true }).then(canvas => {32 //dom 已经转换为canvas 对象，可以将插入的空白块删除了33 let emptyDivs = document.querySelectorAll('.emptyDiv')34 for (let i = 0; i < emptyDivs.length; i++) {35 emptyDivs[i].parentNode.removeChild(emptyDivs[i])36 }37 // 有一点重复的代码38 let contentWidth = canvas.width39 let contentHeight = canvas.height40 let pageHeight = contentWidth / A4_WIDTH * A4_HEIGHT41 let leftHeight = contentHeight42 let position = 043 let imgWidth = A4_WIDTH44 let imgHeight = A4_WIDTH / contentWidth * contentHeight45 let pageData = canvas.toDataURL('image/jpeg', 1.0)46 if (isPrint) {47 //如果是打印，可以拿着分号页的数据 直接使用48 printJs({ printable: pageData, type: 'image', base64: true, documentTitle: '\u200E' })49 return50 }51 //计算分页的pdf52 let PDF = new JsPDF('', 'pt', 'a4')53 if (leftHeight <= pageHeight) {54 PDF.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight)55 } else {56 while (leftHeight > 0) {57 PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight)58 leftHeight -= pageHeight59 position -= A4_HEIGHT60 if (leftHeight > 0) {61 PDF.addPage()62 }63 }64 }65 PDF.save(title + '.pdf')66 })67 }...

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script.js

Source:script.js Github

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1const factoryPlayers = (player, mark, turn, name) => {2 return { player, mark, turn, name };3};4const gameBoard = (() => {5 const board = ["", "", "", "", "", "", "", "", ""];6 const domBoard = [];7 const button = document.querySelector("#restartBtn");8 button.addEventListener("click", () => {9 board.fill("");10 printDom();11 });12 const getDomBoard = () => {13 let allBoard = document.querySelectorAll(".board");14 allBoard.forEach((element, index) => {15 element.addEventListener("click", () => {16 let player;17 if (gameMethods.player1.turn == true) {18 player = gameMethods.player1;19 } else {20 player = gameMethods.player2;21 }22 gameMethods.putMarker(index + 1, player);23 });24 domBoard.push(element);25 });26 };27 const printDom = () => {28 board.forEach((element, index) => {29 domBoard[index].textContent = element;30 });31 };32 return { getDomBoard, printDom, board };33})();34const gameMethods = (() => {35 const player1 = factoryPlayers("player1", "X", true, "You");36 const player2 = factoryPlayers("player2", "O", false, "Computer");37 let drawStatus = true;38 const putMarker = (index, player) => {39 let marker = player.mark;40 if (gameBoard.board[index - 1] == "") {41 gameBoard.board[index - 1] = marker;42 gameBoard.printDom();43 if (player == player1) {44 player2.turn = true;45 player1.turn = false;46 checkForWin();47 ia.randomMove()48 checkForWin();49 } else {50 player1.turn = true;51 player2.turn = false;52 checkForWin();53 }54 }55 56 };57 const checkForWin = () => {58 const winningCombinations = [59 [1, 2, 3],60 [4, 5, 6],61 [7, 8, 9],62 [1, 4, 7],63 [2, 5, 8],64 [3, 6, 9],65 [1, 5, 9],66 [3, 5, 7],67 ];68 winningCombinations.forEach((element) => {69 drawStatus = true;70 checkDraw();71 if (72 gameBoard.board[element[0] - 1] == "X" &&73 gameBoard.board[element[1] - 1] == "X" &&74 gameBoard.board[element[2] - 1] == "X"75 ) {76 alert(player1.name + " wins!!");77 player1.turn = true;78 player2.turn = false;79 gameBoard.board.fill("");80 gameBoard.printDom();81 } else if (82 gameBoard.board[element[0] - 1] == "O" &&83 gameBoard.board[element[1] - 1] == "O" &&84 gameBoard.board[element[2] - 1] == "O"85 ) {86 alert(player2.name + " win!!!");87 player1.turn = true;88 player2.turn = false;89 gameBoard.board.fill("");90 gameBoard.printDom();91 92 } else if (drawStatus === true) {93 alert("its a draw");94 player1.turn = true;95 player2.turn = false;96 gameBoard.board.fill("");97 gameBoard.printDom();98 }99 });100 101 };102 const checkDraw = () => {103 for (let i = 0; i < 9; i++) {104 const element = gameBoard.board[i];105 if (element == "") {106 drawStatus = false;107 }108 }109 };110 return { putMarker, checkForWin, checkDraw, player1, player2, drawStatus };111})();112gameBoard.getDomBoard();113const ia = (() => {114 const getRandomNumber = (min, max) => {115 return Math.floor(Math.random() * (max - min) + min);116 };117 const randomMove = () => {118 let randomNumber = getRandomNumber(0, 8);119 let board = gameBoard.board120 if(gameMethods.player2.turn == true){121 while (board[randomNumber] !== "") {122 randomNumber = getRandomNumber(0, 8);123 }124 gameMethods.putMarker(randomNumber +1, gameMethods.player2);125 };}126 return { randomMove, getRandomNumber};...

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scope.js

Source:scope.js Github

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1"use strict";2//global and default this3let showThis = function() {4 console.log(this); //in strict mode print undefind and then print window5};6showThis();7//object litteral this8const vocalist = {};9vocalist.name = "Mohammad Reza";10vocalist.family = "Shajarian";11vocalist.printMe = function() {12 console.log(this);13};14//{name: "Mohammad Reza", family: "Shajarian", printMe: ƒ}15// family: "Shajarian"16// name: "Mohammad Reza"17// printMe: ƒ ()18// __proto__: Object19vocalist.printMe();20//object litteral this21function CreateVocalist() {22 this.printMe = function() {23 console.log(this);24 };25}26//constructor this27let v1 = new CreateVocalist();28//CreateVocalist {printMe: ƒ}29// printMe: ƒ ()30// __proto__: Object31v1.printMe();32//prototypes' this33CreateVocalist.prototype = {34 printMe1: function() {35 console.log(this);36 }37};38var a = new CreateVocalist();39a.printMe();40a.printMe1();41//Event's this42var element = document.querySelector(".btn");43var printDom = function() {44 console.log(this); //will show the dom <div class="btn"></div>45};46//element.addEventListener("click", printDom, false);47var printDom = function() {48 console.log(this); //will show window49};50// Scope A: Global scope out here51function functionScope() {52 // Scope B: Local scope in here53}54var myFunction = function() {55 var firstName = "Masoud";56 console.log(firstName); // Masoud57};58// Uncaught ReferenceError: firstName is not defined59//console.log(firstName);60// Global's Scope61function aFunction() {62 // A's Scope63 function bFunction() {64 // B's Scope65 //bFunction has access to the outer Scope(A's scope).66 //this is called Lexical Scope or Closure or Static Scope67 function cFunction() {68 // C's Scope69 //cFunction has access to the outer Scopes(A's scope and B's scope).70 }71 }72}73// printDom.call(anotherScope, arg1, arg1);74// printDom.apply(anotherScope, [arg1, arg1]);75// printDom.bind(anotherScope, arg1, arg1);76function sayHello(name) {77 var text = "Hello, " + name;78 return function() {79 console.log(text);80 };81}...

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6-jQuery-AJAX.js

Source:6-jQuery-AJAX.js Github

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1(function () {2 function printDOM(msg) {3 document.getElementById('output').innerHTML += `<div>${msg}</div>`;4 }5 let url = '1-data.json';6 // //asynchronous callbacks7 // $.ajax({8 // contentType:'application/json',9 // url: url,10 // success: function (data) {11 // printDOM(data.name);12 // }13 // });14 // $.ajax({15 // contentType:'application/json', 16 // url: '1-data2.json',17 // success: function (data) {18 // printDOM(data.name);19 // }20 // });21 // //synchronous callbacks22 // $.ajax({23 // contentType:'application/json', 24 // url: url,25 // success: function (data) {26 // printDOM(data.name);27 // $.ajax({28 // url: '1-data2.json',29 // success: function (data) {30 // printDOM(data.name);31 // }32 // });33 // }34 // });35 //promises36 $.ajax({37 contentType: 'application/json',38 url: '1-data.json',39 }).success(function (data) {40 printDOM(data.name);41 });42 // //same promise with DONE43 // $.ajax({44 // url: '1-data2.json',45 // }).done(function (data){46 // printDOM(data.name);47 // });48 //standart promise49 $.ajax({50 contentType: 'application/json',51 url: '1-data2.json',52 })53 .then(54 function (data) {55 printDOM(data.name);56 },57 function (error) {58 printDOM(error);59 });...

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print.js

Source:print.js Github

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1export default {2 data() {3 return {4 width:"100%"5 }6 },7 methods: {8 printView(selector) {9 10 var dom = document.querySelector(selector);11 if(!dom) {12 console.log("找不到打印模块");13 return;14 }15 this.$loadingOpen();1617 /*console.log(printWindow.document.querySelector("#index"))1819 printWindow.document.querySelector("#index").innerHTML=dom.innerHTML;*/2021 22 setTimeout(() => {23 24 var printDom = this.$el.querySelector("#print-report-iframe");25 if(printDom) {26 printDom.outerHTML = "";27 }2829 "<iframe id='print-report-iframe'></iframe>";30 var iframe = document.createElement("iframe");31 iframe.id = "print-report-iframe";32 iframe.src = "/print.html";3334 this.$el.appendChild(iframe);35 var printDom = this.$el.querySelector("#print-report-iframe");36 var printWindow = printDom.contentWindow;37 printWindow.focus();38 printWindow.printHtml = dom.innerHTML;39 this.width = "100%";40 this.$loadingClose();41 }, 50)4243 return false;4445 }46 },47 mounted() {4849 } ...

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3-xhr-status.js

Source:3-xhr-status.js Github

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1(function () {2 function printDOM(msg) {3 document.getElementById('output').innerHTML += `<div>${msg}</div>`;4 }5 let xhr = new XMLHttpRequest();6 let url = "1-data.json";7 xhr.open('GET', url, true);8 xhr.onreadystatechange = function () {9 if (xhr.readyState === 4) {10 printDOM('Request completed');11 let status = Math.floor(xhr.status / 100);12 switch (status) {13 case 2: printDOM('Success'); break;14 case 4:15 case 5:16 printDOM('Error'); break;17 }18 }19 //printDOM(xhr.readyState);20 };21 xhr.send(null);...

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18.2.js

Source:18.2.js Github

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1function printDOM(node, prefix) {2 console.log(prefix + node.nodeName);3 for (let i = 0; i < node.childNodes.length; i++) {4 printDOM(node.childNodes[i], prefix + "\t");5 }6}...

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main.js

Source:main.js Github

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1function printDOM(node, prefix) {2 console.log(prefix + node.nodeName);3 for(let i=0; i<node.childNodes.length; i++) {4 printDOM(node.childNodes[i], prefix + ' ');5 }6}...

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Using AI Code Generation

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1const playwright = require('playwright');2const { printDOM } = require('playwright/lib/internal/inspectorHelper');3(async () => {4 const browser = await playwright.chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const html = await printDOM(page);8 console.log(html);9 await browser.close();10})();

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Using AI Code Generation

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1const playwright = require('playwright');2const { printDOM } = require('playwright/lib/internal/inspectorHelper');3(async () => {4 for (const browserType of BROWSER) {5 const browser = await playwright[browserType].launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await printDOM(page);9 await browser.close();10 }11})();

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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 html = await page._client.send('DOM.getDocument', {depth: -1, pierce: true});7 console.log(html);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 html = await page._client.send('DOM.getDocument', {depth: -1, pierce: true});16 console.log(html);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 html = await page._client.send('DOM.getDocument', {depth: -1, pierce: true});25 console.log(html);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 html = await page._client.send('DOM.getDocument', {depth: -1, pierce: true});34 console.log(html);35 await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39 const browser = await chromium.launch();40 const context = await browser.newContext();

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Using AI Code Generation

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1const { printDOM } = require('playwright/lib/server/dom.js');2const playwright = require('playwright');3(async () => {4 const browser = await playwright['chromium'].launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const html = await page.evaluate(printDOM);8 console.log(html);9 await browser.close();10})();

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Using AI Code Generation

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1const { printDOM } = require('playwright/lib/server/domSnapshotRenderer.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.waitForSelector('text=Get started');8 const html = await page.content();9 const snapshot = await printDOM(html);10 console.log(snapshot);11 await browser.close();12})();13const { printDOM } = require('playwright/lib/server/domSnapshotRenderer.js');14const { chromium } = require('playwright');15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 await page.waitForSelector('text=Get started');20 const html = await page.content();21 const snapshot = await printDOM(html, page.frames()[1]);22 console.log(snapshot);23 await browser.close();24})();25const { printDOM } = require('playwright/lib/server/domSnapshotRenderer.js');26const { chromium } = require('playwright');27(async () => {28 const browser = await chromium.launch();29 const context = await browser.newContext();30 const page = await context.newPage();31 await page.waitForSelector('text=Get started');

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Using AI Code Generation

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1const { printDOM } = require('@playwright/test');2const { test } = require('@playwright/test');3test('printDOM', async ({ page }) => {4 await printDOM(page);5});6await printDOM(page, { selector: 'body', maxDepth: 10, maxChildren: 3 });

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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.printDOM();7 await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11 const browser = await chromium.launch();12 const context = await browser.newContext();13 const page = await context.newPage();14 await page.waitFor('h1');15 await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.waitFor('h1');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.waitFor('h1');31 await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35 const browser = await chromium.launch();36 const context = await browser.newContext();37 const page = await context.newPage();38 await page.waitFor('h1');39 await browser.close();40})();41const { chromium } = require('playwright');42(async () => {

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Using AI Code Generation

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1const playwright = require('playwright');2const {chromium} = playwright;3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.printDOM();8 await browser.close();9})();

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Using AI Code Generation

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1const { printDOM } = require(‘playwright/lib/server/chromium/crPage’);2await printDOM();3const { printPage } = require(‘playwright/lib/server/chromium/crPage’);4await printPage();5const { printFrameTree } = require(‘playwright/lib/server/chromium/crPage’);6await printFrameTree();7const { printPageTree } = require(‘playwright/lib/server/chromium/crPage’);8await printPageTree();9const { printPageTree } = require(‘playwright/lib/server/chromium/crPage’);10await printPageTree();11const { printPageTree } = require(‘playwright/lib/server/chromium/crPage’);12await printPageTree();

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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