How to use siftDown method in Playwright Internal

Best JavaScript code snippet using playwright-internal

184-heap_sort.js

Source:184-heap_sort.js Github

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...11 }12 if (!maxHeaped) {13 inputArray = maxHeapify(inputArray)14 }15 inputArray = siftDown(inputArray)16 let highest = inputArray[0]17 let lastIndex = inputArray.length - 118 inputArray[0] = inputArray[lastIndex]19 inputArray[lastIndex] = highest20 return heapSort(inputArray.slice(0, -1), maxHeaped=true).concat(inputArray[lastIndex])21}22function siftDown(inputArray) {23 if (!(inputArray instanceof Array)) {24 throw TypeError("An array is required for siftDown")25 }26 if (inputArray.length === 1) {27 return inputArray28 }29 let parent = 030 let left = 131 let right = 232 while ((inputArray[left] > inputArray[parent]) || (inputArray[right] > inputArray[parent])) {33 let temp = inputArray[parent]34 if (inputArray[right] > inputArray[left]) {35 inputArray[parent] = inputArray[right]36 inputArray[right] = temp37 parent = right38 }39 else {40 inputArray[parent] = inputArray[left]41 inputArray[left] = temp42 parent = left43 }44 left = 2 * parent + 145 right = left + 146 }47 return inputArray48}49function maxHeapify(inputArray) {50 if (!(inputArray instanceof Array)) {51 throw TypeError("An array is required for maxHeapify")52 }53 for (let i=1; i<inputArray.length; i++){54 let parentIndex = Math.ceil(i / 2) - 155 let currentIndex = i56 while (parentIndex >= -1 && inputArray[parentIndex] < inputArray[currentIndex]) {57 let temp = inputArray[currentIndex]58 inputArray[currentIndex] = inputArray[parentIndex]59 inputArray[parentIndex] = temp60 currentIndex = parentIndex61 parentIndex = Math.ceil(parentIndex / 2) - 162 }63 }64 return inputArray65}66describe('maxHeapify', () => {67 context('Input Checks', () => {68 it('should throw a TypeError if no value passed', () => {69 expect(() => {maxHeapify()}).to.throw(TypeError, "An array is required for maxHeapify");70 })71 })72 context('Functionality', () => {73 it('should return input if length ===1', () => {74 let testArray = [1]75 let actualArray = JSON.stringify(maxHeapify(testArray))76 let expectedArray = JSON.stringify(testArray)77 expect(actualArray).to.equal(expectedArray)78 })79 it('should not change valid maxHeap of length === 2', () => {80 let testArray = [1]81 let actualArray = JSON.stringify(maxHeapify(testArray))82 let expectedArray = JSON.stringify(testArray)83 expect(actualArray).to.equal(expectedArray)84 })85 it('should change invalid maxHeap of length === 2', () => {86 let testArray = [1, 2]87 let actualArray = JSON.stringify(maxHeapify(testArray))88 let expectedArray = JSON.stringify([2, 1])89 expect(actualArray).to.equal(expectedArray)90 })91 it('should change invalid maxHeap of length === 3', () => {92 let testArray = [1, 2, 3]93 let actualArray = JSON.stringify(maxHeapify(testArray))94 let expectedArray = JSON.stringify([3, 1, 2])95 expect(actualArray).to.equal(expectedArray)96 })97 it('should change invalid maxHeap of length === 4', () => {98 let testArray = [1, 2, 3, 4]99 let actualArray = JSON.stringify(maxHeapify(testArray))100 let expectedArray = JSON.stringify([4, 3, 2, 1])101 expect(actualArray).to.equal(expectedArray)102 })103 it('should change invalid maxHeap of length === 4', () => {104 let testArray = [6, 5, 3, 1, 8, 7, 2, 4 ]105 let actualArray = JSON.stringify(maxHeapify(testArray))106 let expectedArray = JSON.stringify([8, 6, 7, 4, 5, 3, 2, 1])107 expect(actualArray).to.equal(expectedArray)108 })109 })110})111describe('siftDown', () => {112 context('Input checks', () => {113 it('should throw a TypeError if no value passed', () => {114 expect(() => {siftDown()}).to.throw(TypeError, "An array is required for siftDown");115 })116 it('should throw TypeError if non array passed', () => {117 expect(() => {siftDown(Object())}).to.throw(TypeError, "An array is required for siftDown");118 })119 })120 context('Sifting', () => {121 it('should return a list of 1', () => {122 let actual = JSON.stringify(siftDown([1]))123 let expected_output = JSON.stringify([1])124 expect(actual).to.equal(expected_output)125 })126 it('should not alter a valid maxHeap of length === 2', () => {127 let actual = JSON.stringify(siftDown([2, 1]))128 let expected_output = JSON.stringify([2, 1])129 expect(actual).to.equal(expected_output)130 })131 it('should alter an invalid maxHeap of length === 2', () => {132 let actual = JSON.stringify(siftDown([1, 2]))133 let expected_output = JSON.stringify([2, 1])134 expect(actual).to.equal(expected_output)135 })136 it('should not alter a valid maxHeap of length === 3', () => {137 let actual = JSON.stringify(siftDown([3, 1, 2]))138 let expected_output = JSON.stringify([3, 1, 2])139 expect(actual).to.equal(expected_output)140 })141 it('should alter an invalid maxHeap of length === 3', () => {142 let actual = JSON.stringify(siftDown([1, 2, 3]))143 let expected_output = JSON.stringify([3, 2, 1])144 expect(actual).to.equal(expected_output)145 })146 it('should alter an invalid maxHeap of length === 5', () => {147 let actual = JSON.stringify(siftDown([1, 6, 7, 4, 5, 3, 2]))148 let expected_output = JSON.stringify([7, 6, 3, 4, 5, 1, 2])149 expect(actual).to.equal(expected_output)150 })151 })152})153describe('heapSort ', () => {154 context('Input checks', () => {155 it('should throw a TypeError if no value passed', () => {156 expect(() => {heapSort()}).to.throw(TypeError, "An array is required for heapSort");157 })158 it('should throw TypeError if non array passed', () => {159 expect(() => {heapSort(Object())}).to.throw(TypeError, "An array is required for heapSort");160 })161 })...

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347_前K个高频元素.js

Source:347_前K个高频元素.js Github

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...33 }34 let arr = Object.keys(map)35 // 堆化前k个元素 即arr36 for(let i=(k-1)>>1;i>=0;i--){ // 取根节点时取整 取整 37 siftDown(i) // 下沉这个元素38 }39 // 将剩下的元素依次与小根堆中的最小值进行比较40 for(let i=k;i<arr.length;i++){41 if(map[arr[i]] >= map[arr[0]]){42 [arr[0],arr[i]] = [arr[i],arr[0]]43 siftDown(0)44 }45 }46 function siftDown(i){47 const left = 2*i + 1, right = 2*i + 248 let greater = left49 if(greater >= k) return // 如果左节点超过k了50 if(right < k && map[arr[right]] < map[arr[greater]]){51 greater = right52 }53 if(map[arr[greater]] < map[arr[i]]){54 [arr[greater],arr[i]] = [arr[i],arr[greater]]55 siftDown(greater)56 }57 }58 return arr.slice(0,k)59}60// 堆排序 2 61var topKFrequent = function(nums, k) {62 let map = {}63 for(let i=0;i<nums.length;i++){64 map[nums[i]] = map[nums[i]] || 065 map[nums[i]] ++66 } 67 let i = 068 let heap = []69 for(let key in map){70 if(i<k){71 heap.push(key)72 siftUp(heap,i) // 一个一个堆化73 }else if(map[key] > map[heap[0]]){74 heap[0] = key 75 siftDown(0)76 }77 i++78 }79 function siftUp(heap, i){80 if(i===0){return}81 const parent = parseInt((i-1)/2)82 if(map[heap[i]] < map[heap[parent]]){83 [heap[i],heap[parent]]=[heap[parent],heap[i]]84 siftUp(heap, parent)85 }86 }87 function siftDown(i){88 const left = 2*i + 1, right = 2*i + 289 let greater = left90 if(greater >= k) return // 如果左节点超过k了91 if(right < k && map[heap[right]] < map[heap[greater]]){92 greater = right93 }94 if(map[heap[greater]] < map[heap[i]]){95 [heap[greater],heap[i]] = [heap[i],heap[greater]]96 siftDown(greater)97 }98 }99 return heap...

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최소힙.js

Source:최소힙.js Github

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...19 const temp = arr[i];20 arr[i] = arr[j];21 arr[j] = temp;22 }23 function siftDown(i, lastNode) {24 const left = 2 * i + 1;25 const right = 2 * i + 2;26 let min = i;27 if (left >= lastNode && arr[left] < arr[min]) {28 min = left;29 }30 if (right >= lastNode && arr[right] < arr[min]) {31 min = right;32 }33 if (arr[min] !== arr[i]) {34 swap(i, min, arr);35 siftDown(min, arr);36 }37 }38 function heapify(size) {39 let index = Math.floor(size / 2);40 while (index) {41 siftDown(index, arr);42 index--;43 }44 }45 function heapSort() {46 const length = arr.length;47 const root = 0;48 let lastNode = length - 1;49 heapify(length);50 while (lastNode > root) {51 swap(root, lastNode, arr);52 lastNode--;53 siftDown(root, lastNode);54 }55 }56 function printMinNode() {57 const length = arr.length;58 const root = 0;59 let lastNode = length - 1;60 if (!length) return console.log(root);61 console.log(arr[root]);62 swap(root, lastNode, arr);63 arr.pop();64 siftDown(root, lastNode);65 }66 process.exit();67});68const fs = require("fs");69let input = fs.readFileSync("/dev/stdin").toString().split("\n");70input.shift();71const arr = [];72input.forEach((v) => setArr(v));73function setArr(num) {74 if (!num) return printMinNode();75 arr.push(num);76 heapSort();77}78function swap(i, j, arr) {79 const temp = arr[i];80 arr[i] = arr[j];81 arr[j] = temp;82}83function siftDown(i, lastNode) {84 const left = 2 * i + 1;85 const right = 2 * i + 2;86 let min = i;87 if (left >= lastNode && arr[left] < arr[min]) {88 min = left;89 }90 if (right >= lastNode && arr[right] < arr[min]) {91 min = right;92 }93 if (arr[min] !== arr[i]) {94 swap(i, min, arr);95 siftDown(min, arr);96 }97}98function heapify(size) {99 let index = Math.floor(size / 2);100 while (index) {101 siftDown(index, arr);102 index--;103 }104}105function heapSort() {106 const length = arr.length;107 const root = 0;108 let lastNode = length - 1;109 heapify(length);110 while (lastNode > root) {111 swap(root, lastNode, arr);112 lastNode--;113 siftDown(root, lastNode);114 }115}116function printMinNode() {117 const length = arr.length;118 const root = 0;119 let lastNode = length - 1;120 if (!length) return console.log(root);121 console.log(arr[root]);122 swap(root, lastNode, arr);123 arr.pop();124 siftDown(root, lastNode);...

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20210714 MinHeap.js

Source:20210714 MinHeap.js Github

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...8 buildHeap(array) {9 // Write your code here.10 const lastParentIndex = Math.floor((array.length - 2)/2)11 for (let i = lastParentIndex; i >=0; i--) {12 this.siftDown(i, array.length-1, array)13 }14 return array15 }16 siftDown(index, max, heap) {17 // Write your code here.18 console.log("siftDown", index, max, heap)19 // no child || have big child, two child, one child20 if ( 2*index + 1 > max || (heap[index] < heap[2*index + 1] && heap[index] < heap[2*index + 2])) {return}21 22 if (2*index + 2 <= max) {23 if (heap[2*index + 1] <= heap[2*index + 2]) {this.swap(index, 2*index + 1, heap); this.siftDown(2*index + 1, max, heap)}24 else {this.swap(index, 2*index + 2, heap); this.siftDown(2*index + 2, max, heap)}}25 if (2*index + 1 <= max && 2*index +2 > max) {26 if (heap[2*index + 1] < heap[index]) {this.swap(index, 2*index + 1, heap); this.siftDown(2*index + 1, max, heap)}27 }}28 siftUp(index, array) {29 console.log("siftup", index, array)30 // Write your code here.31 if (index === 0 || array[index] >= array[Math.floor((index - 1)/2)]) {return}32 if (array[index] < array[Math.floor((index - 1)/2)]) {33 this.swap(index, Math.floor((index - 1)/2), array)34 this.siftUp(Math.floor((index - 1)/2), array)35 } 36 }37 peek() {38 // Write your code here.39 return this.heap[0]40 }41 remove() {42 // Write your code here.43 console.log("remove")44 this.swap(0, this.heap.length-1, this.heap)45 let valueToRemove = this.heap.pop()46 this.siftDown(0, this.heap.length-1, this.heap)47 return valueToRemove48 }49 insert(value) {50 // Write your code here.51 console.log("insert")52 this.heap.push(value)53 this.siftUp(this.heap.length - 1, this.heap)54 }55 56 swap(i, j, heap) {57 console.log("swap", i, j, heap)58 let temporary = heap[i]59 heap[i] = heap[j]60 heap[j] = temporary...

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MaxHeap.js

Source:MaxHeap.js Github

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...9 const { siftDown } = this;10 const n = getN(array);11 const parent = getParent(n);12 for (let i = parent; i >= 0; i--) {13 siftDown(i, array);14 }15 return array;16 }17 getTarget(l, arr) {18 let tgt = l;19 const n = getN(arr);20 const r = l < n ? l + 1 : -1;21 if (r > -1 && arr[r] > arr[l]) {22 tgt = r;23 }24 return tgt;25 }26 siftDown(i, arr) {27 const n = getN(arr);28 let l = getFirstChild(i);29 while (l <= n) {30 const tgt = this.getTarget(l, arr);31 if (arr[i] < arr[tgt]) {32 swap(i, tgt, arr);33 i = tgt;34 l = getFirstChild(i);35 } else {36 break;37 }38 }39 }40 siftUp(i, arr) {41 let parent = getParent(i);42 while (parent > 0) {43 if (arr[parent] < arr[i]) {44 swap(i, parent, arr);45 i = parent;46 parent = getParent(i);47 } else { break; }48 }49 }50 peek() {51 return this.heap[0];52 }53 remove() {54 const { heap, siftDown } = this;55 const n = getN(heap);56 swap(0, n, heap);57 const removed = heap.pop();58 siftDown(0, heap);59 return removed;60 }61 insert(value) {62 const { heap, siftUp } = this;63 heap.push(value);64 const n = getN(heap);65 siftUp(n, heap);66 }67 getLength() {68 return this.heap.length;69 }70}...

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MinHeap.js

Source:MinHeap.js Github

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...9 const { siftDown } = this;10 const n = getN(array);11 const parent = getParent(n);12 for (let i = parent; i >= 0; i--) {13 siftDown(i, array);14 }15 return array;16 }17 getTarget(l, arr) {18 let tgt = l;19 const n = getN(arr);20 const r = l < n ? l + 1 : -1;21 if (r > -1 && arr[r] < arr[l]) {22 tgt = r;23 }24 return tgt;25 }26 siftDown(i, arr) {27 const n = getN(arr);28 let l = getFirstChild(i);29 while (l <= n) {30 const tgt = this.getTarget(l, arr);31 if (arr[i] > arr[tgt]) {32 swap(i, tgt, arr);33 i = tgt;34 l = getFirstChild(i);35 } else {36 break;37 }38 }39 }40 siftUp(i, arr) {41 let parent = getParent(i);42 while (parent > 0) {43 if (arr[parent] > arr[i]) {44 swap(i, parent, arr);45 i = parent;46 parent = getParent(i);47 } else { break; }48 }49 }50 peek() {51 return this.heap[0];52 }53 remove() {54 const { heap, siftDown } = this;55 const n = getN(heap);56 swap(0, n, heap);57 const removed = heap.pop();58 siftDown(0, heap);59 return removed;60 }61 insert(value) {62 const { heap, siftUp } = this;63 heap.push(value);64 const n = getN(heap);65 siftUp(n, heap);66 }67 getLength() {68 return this.heap.length;69 }70}...

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min-heap.js

Source:min-heap.js Github

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...5 }6 buildHeap() {7 const firstParent = Math.floor((this.heap.length - 1) / 2);8 for (let i = firstParent; i >= 0; i--) {9 this.siftDown(i);10 }11 }12 //O(log(n))13 siftDown(idx) {14 const childOneIdx = idx * 2 + 1;15 const childTwoIdx = childOneIdx + 1;16 const val = this.heap[idx];17 const childOne = this.heap[childOneIdx];18 const childTwo = this.heap[childTwoIdx];19 if (val > childOne || val > childTwo) {20 if (childOne < childTwo) {21 this.swap(idx, childOneIdx);22 this.siftDown(childOneIdx);23 } else {24 this.swap(idx, childTwoIdx);25 this.siftDown(childTwoIdx);26 }27 }28 }29 //O(log(n))30 siftUp(idx) {31 const parentIdx = Math.floor((idx - 1) / 2);32 if (this.heap[parentIdx] && this.heap[parentIdx] > this.heap[idx]) {33 this.swap(idx, parentIdx);34 this.siftUp(parentIdx);35 }36 }37 //swap O(1)38 swap(idxOne, idxTwo) {39 const temp = this.heap[idxOne];40 this.heap[idxOne] = this.heap[idxTwo];41 this.heap[idxTwo] = temp;42 }43 //O(1)44 peek() {45 return this.heap[0];46 }47 //logn48 remove() {49 if (!this.heap.length) return 'The heap is empty!';50 this.swap(0, this.heap.length - 1);51 const returnVal = this.heap.pop();52 this.siftDown(0);53 return returnVal;54 }55 //logn56 insert(value) {57 this.heap.push(value);58 this.siftUp(this.heap.length - 1);59 }...

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MaxHeapSort.js

Source:MaxHeapSort.js Github

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1function MaxHeapSort(array){2 function siftDown(array,index,size){3 let greatest = index;4 let l = 2*index+1;5 let r = 2*index+2;6 if (l < size && array[l] > array[greatest]){7 greatest = l;8 }9 if (r < size && array[r] > array[greatest]){10 greatest = r;11 }12 analytics.comparisons += 2;13 if (greatest !== index){14 let temp = array[index];15 array[index] = array[greatest];16 array[greatest] = temp;17 analytics.swaps++;18 analytics.mainwrites+=2;19 siftDown(array,greatest,size);20 }21 }22 for (let i = Math.floor(array.length/2)-1; i >= 0; i--){23 siftDown(array,i,array.length);24 }25 for (let i = array.length-1; i > 0; i--){26 let temp = array[i];27 array[i] = array[0];28 array[0] = temp;29 analytics.swaps++;30 analytics.mainwrites+=2;31 siftDown(array,0,i);32 }33 return array;34}35/* PROCEDURE:36identify index of last item with children: n/2-137run i from n/2-1 to 0 (inclusive); siftDown i each time38run i from n-1 to 0 (exclusive); siftDown 0 (root) to i (boundary of heap) each time39siftDown:40index of left child: 2*i+141index of right child: 2*i+242if left child > root then left child is new largest43if right child > root then right child is new largest44(above assuming l and r are less than size; to prevent sifting down into sorted section)45if either one of the root's children are greater than it then swap with the greater and siftDown on subtree: root is greatest...

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Using AI Code Generation

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1const { Playwright } = require('playwright-core/lib/server/playwright');2const { BrowserContext } = require('playwright-core/lib/server/browserContext');3const { Page } = require('playwright-core/lib/server/page');4const { ElementHandle } = require('playwright-core/lib/server/dom');5const { JSHandle } = require('playwright-core/lib/server/javascript');6const { helper } = require('playwright-core/lib/server/helper');7const { assert } = require('playwright-core/lib/server/helper');8const playwright = new Playwright();9const browser = await playwright.chromium.launch({ headless: false });10const context = await browser.newContext();11const page = await context.newPage();12const search = await page.$('[name="q"]');13await search.siftDown({ x: 0, y: 0 });14await search.siftUp({ x: 0, y: 0 });15await browser.close();

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Using AI Code Generation

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1const { Screenshotter } = require('playwright/lib/server/screenshotter');2const { Screenshotter } = require('playwright/lib/server/screenshotter');3const screenshotter = new Screenshotter();4screenshotter.siftDown();5const { Screenshotter } = require('playwright/lib/server/screenshotter');6const { Screenshotter } = require('playwright/lib/server/screenshotter');7const screenshotter = new Screenshotter();8screenshotter.siftDown();9const { Screenshotter } = require('playwright/lib/server/screenshotter');10const { Screenshotter } = require('playwright/lib/server/screenshotter');11const screenshotter = new Screenshotter();12screenshotter.siftDown();13const { Screenshotter } = require('playwright/lib/server/screenshotter');14const { Screenshotter } = require('playwright/lib/server/screenshotter');15const screenshotter = new Screenshotter();16screenshotter.siftDown();17const { Screenshotter } = require('playwright/lib/server/screenshotter');18const { Screenshotter } = require('playwright/lib/server/screenshotter');19const screenshotter = new Screenshotter();20screenshotter.siftDown();21const { Screenshotter } = require('playwright/lib/server/screenshotter');22const { Screenshotter } = require('playwright/lib/server/screenshotter');23const screenshotter = new Screenshotter();24screenshotter.siftDown();

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Using AI Code Generation

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1const {siftDown} = require('playwright/lib/utils/utils');2const {chromium} = require('playwright');3const {expect} = require('chai');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const searchElement = await page.$$('input[aria-label="Search"]');9 await searchElement[0].click();10 const searchElement2 = await page.$$('input[aria-label="Search"]');11 await searchElement2[0].click();12 const searchElement3 = await page.$$('input[aria-label="Search"]');13 await searchElement3[0].click();14 const searchElement4 = await page.$$('input[aria-label="Search"]');15 await searchElement4[0].click();16 const searchElement5 = await page.$$('input[aria-label="Search"]');17 await searchElement5[0].click();18 const searchElement6 = await page.$$('input[aria-label="Search"]');19 await searchElement6[0].click();20 const searchElement7 = await page.$$('input[aria-label="Search"]');21 await searchElement7[0].click();22 const searchElement8 = await page.$$('input[aria-label="Search"]');23 await searchElement8[0].click();24 const searchElement9 = await page.$$('input[aria-label="Search"]');25 await searchElement9[0].click();

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Using AI Code Generation

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1const { Playwright } = require('playwright');2const path = require('path');3const fs = require('fs');4const { promisify } = require('util');5const writeFileAsync = promisify(fs.writeFile);6const readFileAsync = promisify(fs.readFile);7const mkdirAsync = promisify(fs.mkdir);8(async () => {9 const playwright = new Playwright({10 browsersPath: path.join(__dirname, 'browsers'),11 downloadsPath: path.join(__dirname, 'downloads'),12 logger: {13 isEnabled: (name, severity) => true,14 log: (name, severity, message, args) => {15 console.log(`${name}/${severity}: ${message}`);16 },17 },18 });19 const browser = await playwright.chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.waitForSelector('input[name="q"]');23 await page.fill('input[name="q"]', 'Hello World');24 await page.keyboard.press('Enter');25 await page.waitForSelector('h3');26 await page.screenshot({ path: 'example.png' });27 await browser.close();28 await writeFileAsync(29 path.join(__dirname, 'browsers.json'),30 JSON.stringify(await playwright.chromium._launcher._browserFetcher.localRevisions(), null, 2)31 );32 await writeFileAsync(33 path.join(__dirname, 'browsers.json'),34 JSON.stringify(await playwright.firefox._launcher._browserFetcher.localRevisions(), null, 2)35 );36 await writeFileAsync(37 path.join(__dirname, 'browsers.json'),38 JSON.stringify(await playwright.webkit._launcher._browserFetcher.localRevisions(), null, 2)39 );40 await writeFileAsync(41 path.join(__dirname, 'browsers.json'),42 JSON.stringify(await playwright.chromium._launcher._browserFetcher.localRevisions(), null, 2)43 );44 await writeFileAsync(45 path.join(__dirname, 'browsers.json'),46 JSON.stringify(await playwright.firefox._launcher._browserFetcher.localRevisions(), null, 2)47 );48 await writeFileAsync(49 path.join(__dirname, 'browsers.json'),50 JSON.stringify(await playwright.webkit._launcher._browserFetcher.localRevisions(), null, 2)51 );52 await writeFileAsync(53 path.join(__dirname, 'browsers.json'),54 JSON.stringify(await

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Using AI Code Generation

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1const { SockJS } = require('sockjs-client');2const { WebSocketTransport } = require('playwright-core/lib/server/webSocketTransport');3const { Connection } = require('playwright-core/lib/server/connection');4const { ConsoleMessage } = require('playwright-core/lib/server/consoleMessage');5const { Page } = require('playwright-core/lib/server/page');6const { JSHandle } = require('playwright-core/lib/server/jsHandle');7const { Frame } = require('playwright-core/lib/server/frames');8const { ElementHandle } = require('playwright-core/lib/server/elementHandler');9const { EventEmitter } = require('events');10const connection = new Connection(ws, new EventEmitter());11const page = new Page(connection, null, 'page1', new EventEmitter());12const frame = new Frame(connection, page, 'frame1', new EventEmitter());13const elementHandle = new ElementHandle(connection, frame, 'element1', new EventEmitter());14const jsHandle = new JSHandle(connection, frame, 'jsHandle1', new EventEmitter());15const consoleMessage = new ConsoleMessage(connection, page, 'consoleMessage1', new EventEmitter());

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Using AI Code Generation

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1const {siftDown} = require('@playwright/test/lib/utils/siftDown');2const {test} = require('@playwright/test');3const {expect} = require('@playwright/test');4const {chromium} = require('playwright');5test.describe('siftDown method', () => {6 test('siftDown', async () => {7 const browser = await chromium.launch();8 const context = await browser.newContext();9 const page = await context.newPage();10 const element = await page.$('input[type="text"]');11 await element.type('Playwright');12 await page.waitForTimeout(2000);13 await page.keyboard.press('Enter');14 await page.waitForLoadState();15 const results = await page.$$eval('h3', (elements) => elements.map((element) => element.textContent));16 ];17 await siftDown(results, expectedResults);18 await browser.close();19 });20});21 1 passed (5s)

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Using AI Code Generation

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1const { _siftDown } = require('playwright');2const { _siftUp } = require('playwright');3const { _siftUpAndDown } = require('playwright');4const siftDown = (array, index, comparator) => {5 return _siftDown(array, index, comparator);6};7const siftUp = (array, index, comparator) => {8 return _siftUp(array, index, comparator);9};10const siftUpAndDown = (array, index, comparator) => {11 return _siftUpAndDown(array, index, comparator);12};13const siftDown = (array, index, comparator) => {14 return _siftDown(array, index, comparator);15};16const siftUp = (array, index, comparator) => {17 return _siftUp(array, index, comparator);18};19const siftUpAndDown = (array, index, comparator) => {20 return _siftUpAndDown(array, index, comparator);21};22const siftDown = (array, index, comparator) => {23 return _siftDown(array, index, comparator);24};25const siftUp = (array, index, comparator) => {26 return _siftUp(array, index, comparator);27};28const siftUpAndDown = (array, index, comparator) => {29 return _siftUpAndDown(array, index, comparator);30};31const siftDown = (array, index, comparator) => {32 return _siftDown(array, index, comparator);33};34const siftUp = (array, index, comparator) => {35 return _siftUp(array, index, comparator);36};

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Using AI Code Generation

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1const { test, expect } = require('@playwright/test');2test('Verify SiftDown functionality', async ({ page }) => {3 await page.screenshot({ path: 'google.png' });4 await page.siftDown(5);5 await page.screenshot({ path: 'google2.png' });6 const title = await page.title();7 expect(title).toBe('Google');8});

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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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