Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use isReactive method in Playwright Internal
Best JavaScript code snippet using playwright-internal
select2.js
Source:select2.js 
1import { Template } from 'meteor/templating';2import { ReactiveVar } from 'meteor/reactive-var';3import { Tracker } from 'meteor/tracker';4import { _ } from 'meteor/underscore';5import { $ } from 'meteor/jquery';6import { OHIF } from 'meteor/ohif:core';7/*8 * input: controls a select2 component9 */10OHIF.mixins.select2 = new OHIF.Mixin({11 dependencies: 'select',12 composition: {13 onCreated() {14 const instance = Template.instance();15 const { component, data } = instance;16 // Controls select2 initialization17 instance.isInitialized = false;18 // Set the custom focus flag19 component.isCustomFocus = true;20 const valueMethod = component.value;21 component.value = value => {22 if (_.isUndefined(value) && !instance.isInitialized) {23 if (!_.isUndefined(instance.data.value)) return instance.data.value;24 if (!_.isUndefined(component.defaultValue)) return component.defaultValue;25 return;26 }27 return valueMethod(value);28 };29 // Utility function to get the dropdown jQuery element30 instance.getDropdownContainerElement = () => {31 const $select2 = component.$element.nextAll('.select2:first');32 const containerId = $select2.find('.select2-selection').attr('aria-owns');33 return $(`#${containerId}`).closest('.select2-container');34 };35 // Check if this select will include a placeholder36 const placeholder = data.options && data.options.placeholder;37 if (placeholder) {38 instance.autorun(() => {39 // Get the option items40 let items = data.items;41 // Check if the items are reactive and get them if true42 const isReactive = items instanceof ReactiveVar;43 if (isReactive) {44 items = items.get();45 }46 // Check if there is already an empty option on items list47 // Note: If this is a multi-select input. Do not add a placeholder48 const isMultiple = instance.data.options && instance.data.options.multiple;49 if (!_.findWhere(items, { value: '' }) && isMultiple === false) {50 // Clone the current items51 const newItems = _.clone(items) || [];52 newItems.unshift({53 label: placeholder,54 value: ''55 });56 // Set the new items list including the empty option57 if (isReactive) {58 data.items.set(newItems);59 } else {60 data.items = newItems;61 }62 }63 });64 }65 },66 onRendered() {67 const instance = Template.instance();68 const { component, data } = instance;69 // Destroy and re-create the select2 instance70 instance.rebuildSelect2 = () => {71 // Destroy the select2 instance if exists and re-create it72 if (component.select2Instance) {73 component.select2Instance.destroy();74 }75 // Clone the options and check if the select2 should be initialized inside a modal76 const options = _.clone(data.options);77 const $closestModal = component.$element.closest('.modal');78 if ($closestModal.length) {79 options.dropdownParent = $closestModal;80 }81 // Apply the select2 to the component82 component.$element.select2(options);83 // Store the select2 instance to allow its further destruction84 component.select2Instance = component.$element.data('select2');85 // Get the focusable elements86 const elements = [];87 const $select2 = component.$element.nextAll('.select2:first');88 const $select2Selection = $select2.find('.select2-selection');89 elements.push(component.$element[0]);90 elements.push($select2Selection[0]);91 // Attach focus and blur handlers to focusable elements92 $(elements).on('focus', event => {93 instance.isFocused = true;94 if (event.target === event.currentTarget) {95 // Show the state message on elements focus96 component.toggleMessage(true);97 }98 }).on('blur', event => {99 instance.isFocused = false;100 if (event.target === event.currentTarget) {101 // Hide the state message on elements blur102 component.toggleMessage(false);103 }104 });105 // Redirect keydown events from input to the select2 selection handler106 component.$element.on('keydown ', event => {107 event.preventDefault();108 $select2.find('.select2-selection').trigger(event);109 });110 // Keep focus on element if ESC was pressed111 $select2.on('keydown ', event => {112 if (event.which === 27) {113 instance.component.$element.focus();114 }115 });116 // Handle dropdown opening when focusing the selection element117 $select2Selection.on('keydown ', event => {118 const skipKeys = new Set([8, 9, 12, 16, 17, 18, 20, 27, 46, 91, 93]);119 const functionKeysRegex = /F[0-9]([0-9])?$/;120 const isFunctionKey = functionKeysRegex.test(event.key);121 if (skipKeys.has(event.which) || isFunctionKey) {122 return;123 }124 event.preventDefault();125 event.stopPropagation();126 // Open the select2 dropdown127 instance.component.$element.select2('open');128 // Check if the pressed key will produce a character129 const searchSelector = '.select2-search__field';130 const $search = component.select2Instance.$dropdown.find(searchSelector);131 const isChar = OHIF.ui.isCharacterKeyPress(event);132 const char = event.key;133 if ($search.length && isChar && char.length === 1) {134 // Event needs to be triggered twice to work properly with this plugin135 $search.val(char).trigger('input').trigger('input');136 }137 });138 // Set select2 as initialized139 instance.isInitialized = true;140 };141 instance.autorun(() => {142 // Run this computation every time the reactive items suffer any changes143 const isReactive = data.items instanceof ReactiveVar;144 if (isReactive) {145 data.items.dep.depend();146 }147 if (isReactive) {148 // Keep the current value of the component149 const currentValue = component.value();150 const wasFocused = instance.isFocused;151 Tracker.afterFlush(() => {152 component.$element.val(currentValue);153 instance.rebuildSelect2();154 if (wasFocused) {155 component.$element.focus();156 }157 });158 } else {159 instance.rebuildSelect2();160 }161 });162 },163 events: {164 // Focus element when selecting a value165 'select2:select'(event, instance) {166 instance.component.$element.focus();167 },168 // Focus the element when closing the dropdown container using ESC key169 'select2:open'(event, instance) {170 const { minimumResultsForSearch } = instance.data.options;171 if (minimumResultsForSearch === Infinity || minimumResultsForSearch === -1) return;172 const $container = instance.getDropdownContainerElement();173 if (!instance.data.wrapText) {174 $container.addClass('select2-container-nowrap');175 }176 const $searchInput = $container.find('.select2-search__field');177 $searchInput.on('keydown.focusOnFinish', event => {178 const keys = new Set([9, 13, 27]);179 if (keys.has(event.which)) {180 $searchInput.off('keydown.focusOnFinish');181 instance.component.$element.focus();182 }183 });184 }185 },186 onDestroyed() {187 const instance = Template.instance();188 const { component } = instance;189 // Destroy the select2 instance to remove unwanted DOM elements190 if (component.select2Instance) {191 component.select2Instance.destroy();192 }193 }194 }...
index.js
Source:index.js
...36// =================== markRaw =======================37// æ è®°ä¸ä¸ªå¯¹è±¡ï¼è¿ä¸ªå¯¹è±¡æ°¸ä¸è½è½¬ä¸º proxy, è¿å对象æ¬èº«38export function useMarkRaw() {39 const foo = markRaw({})40 console.log(isReactive(foo)) // false41 // åµå¥å¨å
¶ä»å¯¹è±¡ä¸æ¶ï¼ä¾ç¶æ£å¸¸å·¥ä½42 const bar = reactive({ foo })43 console.log(isReactive(bar.foo)) // false44}45// markRaw å shallowXXX APIs è®©ä½ æéæ©çé»æ¢é»è®¤çæ·±å± reactive/readonly 转æ¢46// åå¨stateä¸åµå¥åçãé代ç对象47// æå¦ä¸å 个çç±ï¼48// 1. ä¸äºå¼ä¸åºè¯¥è½¬ä¸ºååºå¼çï¼å¦ç¬¬ä¸æ¹ç±»çå®ä¾ï¼ Vue component object49// 2. 渲æä¸å¯æ´æ¹æ°æ®ç大å表çæ¶åï¼å¯è·³è¿ååºå¼è½¬æ¢50// å®ä»¬ä¹æ以被å½ä½é«çº§çæ¯å 为 raw opt-out ä»
åçå¨æ ¹å±é¢ä¸51// æ以å¦æä½ å¨ä¸ä¸ªååºå¼å¯¹è±¡é设置ä¸ä¸ªåµå¥çï¼æ²¡æ è®°çåç对象ï¼ç¶åéæ°è·å52// ä½ å®é
ä¸å¾å°çæ¯è¢«ä»£çåççæ¬53// è¿å¯è½ä¼å¯¼è´ identity hazards: i.e. performing an operation that relies54// on object identity but using both the raw and the proxied version55// of the same object:56const foo = markRaw({57 nested: {}58})59const bar = reactive({60 // although `foo` is marked as raw, foo.nested is not.61 nested: foo.nested62})63console.log(foo.nested === bar.nested) // false64// Identity hazards are in general rare. But to properly utilize65// these APIs while safely avoiding identity hazards requires a solid66// understanding of how the reactivity system works.67// ======================= shallowReadonly =====================68// Create a proxy that makes its own properties readonly,69// but does not perform deep readonly conversion of nested70// objects (exposes raw values).71// å建ä¸ä¸ªä»
æèªèº«å±æ§å为 readonly ç代çï¼ä¸ä¼å¯¹åµå¥å
¶ä¸ç对象è¿è¡æ·±å±çåªè¯»è½¬æ¢ï¼æ´é²åç对象ï¼72export function useShollowReadonly() {73 const state = shallowReadonly({74 foo: 1,75 nested: {76 bar: 277 }78 })79 80 // mutating state's own properties will fail81 state.foo++82 // ...but works on nested objects83 isReadonly(state.nested) // false84 state.nested.bar++ // works85}86// ======================== shallowReactive =====================87// å建ä¸ä¸ªä»
è¿½è¸ªæ ¹å±æ§çååºå¼ä»£çï¼ä¸ä¼å¯¹åµå¥å
¶ä¸ç对象è¿è¡æ·±å±çååºå¼è½¬æ¢ï¼æ´é²åç对象ï¼88export function useShallowReactive() {89 const state = shallowReactive({90 foo: 1,91 nested: {92 bar: 293 }94 })95 96 // mutating state's own properties is reactive97 state.foo++98 // ...but does not convert nested objects99 isReactive(state.nested) // false100 state.nested.bar++ // non-reactive101}102// ================== shallowRef =====================103// å建ä¸ä¸ª ref, 追踪å®ç value å¼çåå¨ï¼ ä½å®ç value å´ä¸æ¯ååºå¼ç104// Create a ref that tracks its own .value mutation but doesn't105// make its value reactive.106export function useShallowRef() {107 const foo = shallowRef({})108 // mutating the ref's value is reactive109 foo.value = {}110 // but the value will not be converted.111 isReactive(foo.value) // false112}113// ================== toRaw =======================114// Return the raw, original object of a reactive or readonly proxy. 115// This is an escape hatch that can be used to temporarily read without116// incurring proxy access / tracking overhead or write without triggering117// changes. It is not recommended to hold a persistent reference to the 118// original object. Use with caution.119const foo = {}120const reactiveFoo = reactive(foo)...
reactive.spec.js
Source:reactive.spec.js
...7 let a = 1;8 effect(() => a = observed.foo );9 observed.foo = 2;10 expect(a).toBe(2);11 expect(isReactive(observed)).toBe(true);12 expect(isReactive(original)).toBe(false);13 });14 test("Arrayç±»å", () => {15 const original = [{ foo: 1 }];16 const observed = reactive(original);17 expect(observed).not.toBe(original);18 expect(isReactive(observed)).toBe(true);19 expect(isReactive(original)).toBe(false);20 expect(isReactive(observed[0])).toBe(true);21 });22 test("Arrayåµå¥æ°ç»", () => {23 const original = [{ foo: 1, a: { b: { c: 1 } }, arr: [{ d: {} }] }];24 const observed = reactive(original);25 expect(observed).not.toBe(original);26 expect(isReactive(observed)).toBe(true);27 expect(isReactive(original)).toBe(false);28 expect(isReactive(observed[0])).toBe(true);29 expect(isReactive(observed[0].a.b)).toBe(true);30 expect(isReactive(observed[0].arr[0].d)).toBe(true);31 });32 test("ä¿®æ¹å对象", () => {33 let original = { foo: 1 };34 const observed = reactive(original);35 // set36 original.bar = 1;37 expect(observed.bar).toBe(1);38 expect(original.bar).toBe(1);39 // delete40 delete original.foo;41 expect("foo" in observed).toBe(false);42 expect("foo" in original).toBe(false);43 });44 test("éå¤reactive", () => {45 const original = { foo: 1 };46 const observed = reactive(original);47 const observed2 = reactive(observed);48 expect(observed2).toBe(observed);49 });50 test("åå§æ°æ®toRaw", () => {51 const original = { foo: 1 };52 const observed = reactive(original);53 expect(toRaw(observed)).toBe(original);54 expect(toRaw(original)).toBe(original);55 });56 test("åå§æ°æ®ç±»å", () => {57 const original = new Date();58 const observed = reactive(original);59 expect(observed).toBe(original);60 expect(isReactive(observed)).toBe(false);61 });62 test("Ref Test", () => {63 let age = 12;64 let ageRef = ref('age');65 let data = '';66 effect(() => data = ageRef.value);67 ageRef.value = '24';68 expect(data).toBe('24');69 });70 test("toRef ç¨äºä¸ºæºååºå¼å¯¹è±¡ä¸çå±æ§æ°å»ºä¸ä¸ªrefï¼ä»èä¿æ对å
¶æºå¯¹è±¡å±æ§çååºå¼è¿æ¥ã", () => {71 let original = { title: 'Blog', author: 'zjl'};72 let observed = reactive(original);73 let authRef = toRef(observed, 'author');74 let data = '';75 effect(() => data = authRef.value);76 authRef.value = 'yyq';77 expect(data).toBe('yyq');78 });79 test("å 为å¨å¯¹ä¸ä¸ªååºå¼å¯¹è±¡ç´æ¥è§£ææ¶è§£æåçæ°æ®å°ä¸åæååºå¼ï¼è使ç¨toRefså¯ä»¥æ¹ä¾¿è§£å³è¿ä¸é®é¢", () => {80 let original = { title: 'Blog', author: 'zjl'};81 let observed = reactive(original);82 let { title, author } = toRefs(observed);83 let mytitle, myauthor;84 effect(() => {mytitle = title.value; myauthor = author.value;});85 title.value = 'new blog';86 author.value = 'yyq';87 expect(mytitle).toBe('new blog');88 expect(myauthor).toBe('yyq');89 });90 test("ReadOnly è·åæºå¯¹è±¡ï¼ååºå¼æ纯对象è·åä¸ä¸ªå¯¹è±¡ (ååºå¼æ纯对象) æ ref 并è¿ååå§ä»£ççåªè¯»ä»£çã", () => {91 let original = { count: 1};92 let reactived = reactive(original);93 let origin_readonly = readonly(original);94 expect(origin_readonly.count).toBe(1);95 original.count ++;96 expect(origin_readonly.count).toBe(2);97 });98 test("shallowReactiveå建ä¸ä¸ªååºå¼ä»£çï¼è¯¥ä»£çè·è¸ªå
¶èªèº« property çååºæ§ï¼ä½ä¸æ§è¡åµå¥å¯¹è±¡ç深度ååºå¼è½¬æ¢ (æ´é²åå§å¼)", () => {99 let original = { count: 1, nested: { bar: 2 }};100 let shadow = shallowReactive(original);101 let count = shadow.count;102 effect(() => {count = shadow.count;});103 shadow.count ++;104 expect(count).toBe(2);105 expect(isReactive(shadow.nested)).toBe(false);106 });107 test("watch 侦å¬ç¹å®ç data æºï¼å¹¶å¨åç¬çåè°å½æ°ä¸å¯ä½ç¨ãé»è®¤æ
åµä¸ï¼å®ä¹æ¯æ°æ§ç", () => {108 let original = { count: 1, nested: { bar: 2 }};109 let shadow = shallowReactive(original);110 // ç´æ¥ä¾¦å¬ä¸ä¸ªååºå¼å¯¹è±¡111 // watch(shadow, (shadow, preShadow) => {112 // console.log(shadow, preShadow);113 // })114 let count = toRef(original, 'count');115 // ç´æ¥ä¾¦å¬ä¸ä¸ªref116 watch(count, (count, preCount) => {117 console.log(count.value, preCount.value);118 })119 count.value ++;...
response.js
Source:response.js
1import router from '@/router.js'2import Vue from 'vue'3class Response {4 constructor (objRaw) {5 this.raw = objRaw.data6 this.headers = objRaw.headers7 this.isReactive = false8 if (this.headers !== undefined) {9 if (this.headers.authorization !== undefined) {10 sessionStorage.setItem('user-token', this.headers.authorization)11 }12 }13 this.setReactivity = isReactive => {14 this.isReactive = isReactive15 }16 this.deepFreeze = object => {17 // Retrieve the property names defined on object18 if (object === undefined || object === null) {19 return object20 }21 var propNames = Object.getOwnPropertyNames(object)22 // Freeze properties before freezing self23 for (let name of propNames) {24 let value = object[name]25 object[name] =26 value && typeof value === 'object' ? this.deepFreeze(value) : value27 }28 return Object.freeze(object)29 }30 this.getRaw = function (isReactive = false) {31 return isReactive ? this.raw : this.deepFreeze(this.raw)32 }33 this.getHeaders = function () {34 return this.headers35 }36 this.showElement = function (strDocId) {37 if (strDocId != null) {38 var x = document.getElementById(strDocId)39 if (x.style.display === 'none') {40 x.style.display = 'block'41 }42 }43 }44 this.hideElement = function (strDocId) {45 console.log(strDocId)46 if (strDocId != null) {47 var x = document.getElementById(strDocId)48 x.style.display = 'none'49 }50 }51 this.getActivity = function (strActivity, isReactive = false) {52 // TODO: if calling auto set the local cache property53 if (strActivity.split('_').length > 1) {54 // alert('query')55 return isReactive56 ? this.raw.FetchQueryData.result[strActivity.substring('query_'.length, strActivity.length)]57 : this.deepFreeze(58 this.raw.FetchQueryData.result[strActivity.substring('query_'.length, strActivity.length)]59 )60 } else {61 return isReactive62 ? this.raw[strActivity]63 : this.deepFreeze(this.raw[strActivity])64 }65 }66 this.Navigate = function (67 str_routeName = null,68 str_activityData = null,69 str_key = null70 ) {71 router.push({72 name: str_routeName,73 params: { [str_key]: this.getActivity(str_activityData, true) }74 })75 }76 this.isValid = function (strActivity = null) {77 // NOTE: check global error and activity specific error78 if (strActivity === null) {79 // check for global errorCode80 return !!(this.raw.errorCode === 1000 || this.raw.errorCode === 0)81 } else {82 // check for specific83 if (strActivity.split('_').length > 1) {84 // console.log('1', this.raw['FetchQueryData'].errorCode)85 // query activity86 return !!(87 this.raw['FetchQueryData'].errorCode === 1000 ||88 this.raw['FetchQueryData'].errorCode === 089 )90 } else {91 return !!(92 this.raw[strActivity].errorCode === 1000 ||93 this.raw[strActivity].errorCode === 094 )95 }96 }97 }98 this.uploadedFileURL = function () {99 return this.raw.result100 }101 this.getAssetPath = function () {102 return this.raw.result.path // returns path where your asset is stored103 }104 // this.getAssetContent = function () {105 // return this.raw.result // returns the data in your asset106 // }107 this.showErrorToast = function (strActivity = null) {108 if (strActivity === null) {109 // check for global errorCode110 Vue.toasted111 .error(this.raw.error)112 .goAway(3000)113 } else {114 // check for specific115 if (strActivity.split('_').length > 1) {116 // console.log('1', this.raw['FetchQueryData'].errorCode)117 // query activity118 Vue.toasted119 .error(this.raw['FetchQueryData'].error)120 .goAway(3000)121 } else {122 Vue.toasted123 .error(this.raw[strActivity].error)124 .goAway(3000)125 }126 }127 return this128 }129 }130}...
Item.js
Source:Item.js
1import React from "react";2import styled from "styled-components";3import { ImageBox } from "../atoms/ImageBox";4import { Pharagraph } from "../atoms/Pharagraph";5import { Subtitle } from "../atoms/Subtitle";6const StyledItem = styled.div`7 flex: 1;8 width: 100%;9 height: 100%;10 display: flex;11 flex-direction: ${({ layout }) => (layout ? layout : "column")};12 align-items: ${({ layout }) => (layout ? "flex-start" : "center")};13 gap: 30px;14 padding: 20px 20px;15 text-align: ${({ textAlign }) => (textAlign ? textAlign : "center")};16 border-radius: 12px;17 transition: background-color 125ms linear,18 transform 525ms cubic-bezier(0.68, -0.25, 0.265, 1.55);19 background: linear-gradient(20 to right bottom,21 rgba(255, 255, 255, 0.6),22 transparent23 );24 backdrop-filter: ${({ blur }) => blur && "blur(10px)"};25 border: ${({ blur }) => blur && "1px solid rgba(255, 255, 255, 0.4)"};26 &:hover {27 background-color: ${({ theme, isReactive }) =>28 isReactive && theme.color_secondary_200 + "1f"};29 transform: ${({ isReactive }) => isReactive && "scale(1.08)"};30 }31`;32const StyledText = styled.div`33 display: flex;34 flex-direction: column;35 gap: 15px;36`;37export const Item = (props) => {38 return (39 <StyledItem40 isReactive={props.isReactive}41 textAlign={props.textAlign}42 layout={props.layout}43 blur={props.blurItem}44 >45 {props.source && (46 <ImageBox47 width={props.mediaWidth}48 height={props.mediaHeight}49 sourceImage={props.source}50 quality={props.quality}51 circleClip={props.clipMedia}52 objectFit={props.mediaObjectFit}53 />54 )}55 <StyledText>56 <Subtitle>{props.title}</Subtitle>57 <Pharagraph>{props.description}</Pharagraph>58 </StyledText>59 </StyledItem>60 );...
reactive.js
Source:reactive.js
...36 return true;//ç¨äºåè¯ä¸ä¸æ¬¡setï¼æå·²ç»æåsetå®äº37 }38 })39}40function isReactive(obj){41 return obj.isReactive42}43// let a = {name:'xx',aa:{age:10}};44let a = [{name:'xx',aa:{age:10}}];45let obj = reactive(a);46// obj.name='yy';47// obj.aa.age=12;48obj[0].name='yy';49obj[0].aa.age=12;...
useCounter.js
Source:useCounter.js
...14 });15 function incrementFirstCounter() {16 counters.counterFirst++;17 }18 console.log("isReactive:", isReactive(counters));19 // toRefs20 const { counterFirst } = toRefs(counters);21 // watch22 // watch(counter, (newCounterValue, oldCounterValue) => {23 // console.log("newCounterValue", newCounterValue);24 // console.log("oldCounterValue", oldCounterValue);25 // });26 watch([counter, counterFirst], (newCounterValue, oldCounterValue) => {27 console.log("newCounterValue", newCounterValue);28 console.log("oldCounterValue", oldCounterValue);29 });30 const twiceTheCounter = computed(() => counter.value * 2);31 return {32 counter,...
store.js
Source:store.js
1import { initInterceptors } from "./interceptor";2import { reactive } from "./reactivity"3let stores = {}4let isReactive = false5export function store(name, value) {6 if (! isReactive) { stores = reactive(stores); isReactive = true; }7 if (value === undefined) {8 return stores[name]9 }10 stores[name] = value11 if (typeof value === 'object' && value !== null && value.hasOwnProperty('init') && typeof value.init === 'function') {12 stores[name].init()13 }14 initInterceptors(stores[name])15}...
Using AI Code Generation
1import { chromium } from 'playwright';2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const element = await page.$('text=Get started');7 const isReactive = await element.isReactive();8 console.log(isReactive);9 const element = await page.$('text=Get started');10 const isReactive = await element.isReactive();11 console.log(isReactive);12 await browser.close();13})();
Using AI Code Generation
1const { isReactive } = require('playwright/lib/server/dom.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.waitForSelector('.navbar__inner');8 const element = await page.$('.navbar__inner');9 console.log('Is element reactive?', isReactive(element));10 await browser.close();11})();12const { isReactive } = require('playwright/lib/server/dom.js');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.waitForSelector('.navbar__inner');19 const element = await page.$('.navbar__inner');20 console.log('Is element reactive?', isReactive(element));21 await browser.close();22})();23const { isReactive } = require('playwright/lib/server/dom.js');24const { chromium } = require('playwright');25(async () => {26 const browser = await chromium.launch();27 const context = await browser.newContext();28 const page = await context.newPage();29 await page.waitForSelector('.navbar__inner');30 const element = await page.$('.navbar__inner');31 console.log('Is element reactive?', isReactive(element));32 await browser.close();33})();34const { isReactive } = require('playwright/lib/server/dom.js');35const { chromium } = require('playwright');36(async () => {37 const browser = await chromium.launch();38 const context = await browser.newContext();39 const page = await context.newPage();40 await page.waitForSelector('.navbar__inner');41 const element = await page.$('.navbar
Using AI Code Generation
1const { isReactive } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const element = await page.$('input[name="q"]');7 console.log(isReactive(element));8 await browser.close();9})();
Using AI Code Generation
1const { isReactive } = require('playwright/lib/server/dom.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 const title = await page.$('h1');8 console.log(isReactive(title));9 await browser.close();10})();11const { isReactive } = require('playwright/lib/server/dom.js');12const { chromium } = require('playwright');13describe('isReactive', () => {14 let browser, context, page;15 beforeAll(async () => {16 browser = await chromium.launch();17 context = await browser.newContext();18 page = await context.newPage();19 });20 afterAll(async () => {21 await browser.close();22 });23 test('should return true for reactive element', async () => {24 const title = await page.$('h1');25 expect(isReactive(title)).toBe(true);26 });27 test('should return false for non-reactive element', async () => {28 const title = await page.$('body');29 expect(isReactive(title)).toBe(false);30 });31});32 ✓ should return true for reactive element (107ms)33 ✓ should return false for non-reactive element (107ms)
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.waitForSelector('text=Get started');6 console.log('isReactive: ', page.isReactive);7 await browser.close();8})();9How to use Playwright's isPersistentContext() method?
Using AI Code Generation
1const { chromium } = require('playwright');2const { isReactive } = require('playwright/lib/server/cjs/frames/frames');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('text=Get started');8 console.log(isReactive(element));9 await browser.close();10})();11const { chromium } = require('playwright');12const { isReactive } = require('playwright/lib/server/cjs/frames/frames');13(async () => {14 const browser = await chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 const element = await page.$('text=Get started');18 console.log(isReactive(element));19 await browser.close();20})();21const { chromium } = require('playwright');22const { isReactive } = require('playwright/lib/server/cjs/frames/frames');23(async () => {24 const browser = await chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 const element = await page.$('text=Get started');28 console.log(isReactive(element));29 await browser.close();30})();
Using AI Code Generation
1const { isReactive } = require("playwright/lib/internal/utils/utils");2console.log(isReactive({}));3console.log(isReactive(null));4console.log(isReactive(undefined));5console.log(isReactive(1));6console.log(isReactive(true));7console.log(isReactive(false));8console.log(isReactive("string"));9console.log(isReactive(new Date()));10console.log(isReactive(Symbol()));
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:
- 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.
- 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.
- 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.
- 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.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
