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How to use doSlowMo method in Playwright Internal

Best JavaScript code snippet using playwright-internal

dom.js

Source:dom.js

...175        )176    }177    return this._injectedScriptPromise178  }179  async doSlowMo() {180    return this.frame._page._doSlowMo()181  }182}183exports.FrameExecutionContext = FrameExecutionContext184class ElementHandle extends js.JSHandle {185  constructor(context, objectId) {186    super(context, 'node', undefined, objectId)187    this._page = void 0188    this._page = context.frame._page189    this._initializePreview().catch((e) => {})190  }191  async _initializePreview() {192    const utility = await this._context.injectedScript()193    this._setPreview(194      await utility.evaluate(195        (injected, e) => 'JSHandle@' + injected.previewNode(e),196        this197      )198    )199  }200  asElement() {201    return this202  }203  async evaluateInUtility(pageFunction, arg) {204    try {205      const utility = await this._context.frame._utilityContext()206      return await utility.evaluate(pageFunction, [207        await utility.injectedScript(),208        this,209        arg210      ])211    } catch (e) {212      if (213        js.isJavaScriptErrorInEvaluate(e) ||214        (0, _protocolError.isSessionClosedError)(e)215      )216        throw e217      return 'error:notconnected'218    }219  }220  async evaluateHandleInUtility(pageFunction, arg) {221    try {222      const utility = await this._context.frame._utilityContext()223      return await utility.evaluateHandle(pageFunction, [224        await utility.injectedScript(),225        this,226        arg227      ])228    } catch (e) {229      if (230        js.isJavaScriptErrorInEvaluate(e) ||231        (0, _protocolError.isSessionClosedError)(e)232      )233        throw e234      return 'error:notconnected'235    }236  }237  async evaluatePoll(progress, pageFunction, arg) {238    try {239      const utility = await this._context.frame._utilityContext()240      const poll = await utility.evaluateHandle(pageFunction, [241        await utility.injectedScript(),242        this,243        arg244      ])245      const pollHandler = new InjectedScriptPollHandler(progress, poll)246      return await pollHandler.finish()247    } catch (e) {248      if (249        js.isJavaScriptErrorInEvaluate(e) ||250        (0, _protocolError.isSessionClosedError)(e)251      )252        throw e253      return 'error:notconnected'254    }255  }256  async ownerFrame() {257    const frameId = await this._page._delegate.getOwnerFrame(this)258    if (!frameId) return null259    const frame = this._page._frameManager.frame(frameId)260    if (frame) return frame261    for (const page of this._page._browserContext.pages()) {262      const frame = page._frameManager.frame(frameId)263      if (frame) return frame264    }265    return null266  }267  async contentFrame() {268    const isFrameElement = throwRetargetableDOMError(269      await this.evaluateInUtility(270        ([injected, node]) =>271          node && (node.nodeName === 'IFRAME' || node.nodeName === 'FRAME'),272        {}273      )274    )275    if (!isFrameElement) return null276    return this._page._delegate.getContentFrame(this)277  }278  async getAttribute(name) {279    return throwRetargetableDOMError(280      await this.evaluateInUtility(([injected, node, name]) => {281        if (node.nodeType !== Node.ELEMENT_NODE)282          throw injected.createStacklessError('Node is not an element')283        const element = node284        return {285          value: element.getAttribute(name)286        }287      }, name)288    ).value289  }290  async inputValue() {291    return throwRetargetableDOMError(292      await this.evaluateInUtility(([injected, node]) => {293        if (294          node.nodeType !== Node.ELEMENT_NODE ||295          (node.nodeName !== 'INPUT' &&296            node.nodeName !== 'TEXTAREA' &&297            node.nodeName !== 'SELECT')298        )299          throw injected.createStacklessError(300            'Node is not an <input>, <textarea> or <select> element'301          )302        const element = node303        return {304          value: element.value305        }306      }, undefined)307    ).value308  }309  async textContent() {310    return throwRetargetableDOMError(311      await this.evaluateInUtility(([injected, node]) => {312        return {313          value: node.textContent314        }315      }, undefined)316    ).value317  }318  async innerText() {319    return throwRetargetableDOMError(320      await this.evaluateInUtility(([injected, node]) => {321        if (node.nodeType !== Node.ELEMENT_NODE)322          throw injected.createStacklessError('Node is not an element')323        if (node.namespaceURI !== 'http://www.w3.org/1999/xhtml')324          throw injected.createStacklessError('Node is not an HTMLElement')325        const element = node326        return {327          value: element.innerText328        }329      }, undefined)330    ).value331  }332  async innerHTML() {333    return throwRetargetableDOMError(334      await this.evaluateInUtility(([injected, node]) => {335        if (node.nodeType !== Node.ELEMENT_NODE)336          throw injected.createStacklessError('Node is not an element')337        const element = node338        return {339          value: element.innerHTML340        }341      }, undefined)342    ).value343  }344  async dispatchEvent(type, eventInit = {}) {345    const main = await this._context.frame._mainContext()346    await this._page._frameManager.waitForSignalsCreatedBy(347      null,348      false,349      /* noWaitFor */350      async () => {351        return main.evaluate(352          ([injected, node, { type, eventInit }]) =>353            injected.dispatchEvent(node, type, eventInit),354          [355            await main.injectedScript(),356            this,357            {358              type,359              eventInit360            }361          ]362        )363      }364    )365    await this._page._doSlowMo()366  }367  async _scrollRectIntoViewIfNeeded(rect) {368    return await this._page._delegate.scrollRectIntoViewIfNeeded(this, rect)369  }370  async _waitAndScrollIntoViewIfNeeded(progress) {371    while (progress.isRunning()) {372      assertDone(373        throwRetargetableDOMError(374          await this._waitForDisplayedAtStablePosition(375            progress,376            false,377            /* force */378            false379            /* waitForEnabled */380          )381        )382      )383      progress.throwIfAborted() // Avoid action that has side-effects.384      const result = throwRetargetableDOMError(385        await this._scrollRectIntoViewIfNeeded()386      )387      if (result === 'error:notvisible') continue388      assertDone(result)389      return390    }391  }392  async scrollIntoViewIfNeeded(metadata, options = {}) {393    const controller = new _progress.ProgressController(metadata, this)394    return controller.run(395      (progress) => this._waitAndScrollIntoViewIfNeeded(progress),396      this._page._timeoutSettings.timeout(options)397    )398  }399  async _clickablePoint() {400    const intersectQuadWithViewport = (quad) => {401      return quad.map((point) => ({402        x: Math.min(Math.max(point.x, 0), metrics.width),403        y: Math.min(Math.max(point.y, 0), metrics.height)404      }))405    }406    const computeQuadArea = (quad) => {407      // Compute sum of all directed areas of adjacent triangles408      // https://en.wikipedia.org/wiki/Polygon#Simple_polygons409      let area = 0410      for (let i = 0; i < quad.length; ++i) {411        const p1 = quad[i]412        const p2 = quad[(i + 1) % quad.length]413        area += (p1.x * p2.y - p2.x * p1.y) / 2414      }415      return Math.abs(area)416    }417    const [quads, metrics] = await Promise.all([418      this._page._delegate.getContentQuads(this),419      this._page420        .mainFrame()421        ._utilityContext()422        .then((utility) =>423          utility.evaluate(() => ({424            width: innerWidth,425            height: innerHeight426          }))427        )428    ])429    if (!quads || !quads.length) return 'error:notvisible' // Allow 1x1 elements. Compensate for rounding errors by comparing with 0.99 instead.430    const filtered = quads431      .map((quad) => intersectQuadWithViewport(quad))432      .filter((quad) => computeQuadArea(quad) > 0.99)433    if (!filtered.length) return 'error:notinviewport' // Return the middle point of the first quad.434    const result = {435      x: 0,436      y: 0437    }438    for (const point of filtered[0]) {439      result.x += point.x / 4440      result.y += point.y / 4441    }442    compensateHalfIntegerRoundingError(result)443    return result444  }445  async _offsetPoint(offset) {446    const [box, border] = await Promise.all([447      this.boundingBox(),448      this.evaluateInUtility(449        ([injected, node]) => injected.getElementBorderWidth(node),450        {}451      ).catch((e) => {})452    ])453    if (!box || !border) return 'error:notvisible'454    if (border === 'error:notconnected') return border // Make point relative to the padding box to align with offsetX/offsetY.455    return {456      x: box.x + border.left + offset.x,457      y: box.y + border.top + offset.y458    }459  }460  async _retryPointerAction(461    progress,462    actionName,463    waitForEnabled,464    action,465    options466  ) {467    let retry = 0 // We progressively wait longer between retries, up to 500ms.468    const waitTime = [0, 20, 100, 100, 500] // By default, we scroll with protocol method to reveal the action point.469    // However, that might not work to scroll from under position:sticky elements470    // that overlay the target element. To fight this, we cycle through different471    // scroll alignments. This works in most scenarios.472    const scrollOptions = [473      undefined,474      {475        block: 'end',476        inline: 'end'477      },478      {479        block: 'center',480        inline: 'center'481      },482      {483        block: 'start',484        inline: 'start'485      }486    ]487    while (progress.isRunning()) {488      if (retry) {489        progress.log(490          `retrying ${actionName} action${491            options.trial ? ' (trial run)' : ''492          }, attempt #${retry}`493        )494        const timeout = waitTime[Math.min(retry - 1, waitTime.length - 1)]495        if (timeout) {496          progress.log(`  waiting ${timeout}ms`)497          const result = await this.evaluateInUtility(498            ([injected, node, timeout]) =>499              new Promise((f) => setTimeout(f, timeout)),500            timeout501          )502          if (result === 'error:notconnected') return result503        }504      } else {505        progress.log(506          `attempting ${actionName} action${507            options.trial ? ' (trial run)' : ''508          }`509        )510      }511      const forceScrollOptions = scrollOptions[retry % scrollOptions.length]512      const result = await this._performPointerAction(513        progress,514        actionName,515        waitForEnabled,516        action,517        forceScrollOptions,518        options519      )520      ++retry521      if (result === 'error:notvisible') {522        if (options.force) throw new Error('Element is not visible')523        progress.log('  element is not visible')524        continue525      }526      if (result === 'error:notinviewport') {527        if (options.force) throw new Error('Element is outside of the viewport')528        progress.log('  element is outside of the viewport')529        continue530      }531      if (typeof result === 'object' && 'hitTargetDescription' in result) {532        if (options.force)533          throw new Error(534            `Element does not receive pointer events, ${result.hitTargetDescription} intercepts them`535          )536        progress.log(537          `  ${result.hitTargetDescription} intercepts pointer events`538        )539        continue540      }541      return result542    }543    return 'done'544  }545  async _performPointerAction(546    progress,547    actionName,548    waitForEnabled,549    action,550    forceScrollOptions,551    options552  ) {553    const { force = false, position } = options554    if (options.__testHookBeforeStable) await options.__testHookBeforeStable()555    const result = await this._waitForDisplayedAtStablePosition(556      progress,557      force,558      waitForEnabled559    )560    if (result !== 'done') return result561    if (options.__testHookAfterStable) await options.__testHookAfterStable()562    progress.log('  scrolling into view if needed')563    progress.throwIfAborted() // Avoid action that has side-effects.564    if (forceScrollOptions) {565      const scrolled = await this.evaluateInUtility(566        ([injected, node, options]) => {567          if (568            node.nodeType === 1569            /* Node.ELEMENT_NODE */570          )571            node.scrollIntoView(options)572        },573        forceScrollOptions574      )575      if (scrolled === 'error:notconnected') return scrolled576    } else {577      const scrolled = await this._scrollRectIntoViewIfNeeded(578        position579          ? {580              x: position.x,581              y: position.y,582              width: 0,583              height: 0584            }585          : undefined586      )587      if (scrolled !== 'done') return scrolled588    }589    progress.log('  done scrolling')590    const maybePoint = position591      ? await this._offsetPoint(position)592      : await this._clickablePoint()593    if (typeof maybePoint === 'string') return maybePoint594    const point = roundPoint(maybePoint)595    if (!force) {596      if (options.__testHookBeforeHitTarget)597        await options.__testHookBeforeHitTarget()598      progress.log(599        `  checking that element receives pointer events at (${point.x},${point.y})`600      )601      const hitTargetResult = await this._checkHitTargetAt(point)602      if (hitTargetResult !== 'done') return hitTargetResult603      progress.log(`  element does receive pointer events`)604    }605    progress.metadata.point = point606    if (options.trial) {607      progress.log(`  trial ${actionName} has finished`)608      return 'done'609    }610    await progress.beforeInputAction(this)611    await this._page._frameManager.waitForSignalsCreatedBy(612      progress,613      options.noWaitAfter,614      async () => {615        if (options.__testHookBeforePointerAction)616          await options.__testHookBeforePointerAction()617        progress.throwIfAborted() // Avoid action that has side-effects.618        let restoreModifiers619        if (options && options.modifiers)620          restoreModifiers = await this._page.keyboard._ensureModifiers(621            options.modifiers622          )623        progress.log(`  performing ${actionName} action`)624        await action(point)625        progress.log(`  ${actionName} action done`)626        progress.log('  waiting for scheduled navigations to finish')627        if (options.__testHookAfterPointerAction)628          await options.__testHookAfterPointerAction()629        if (restoreModifiers)630          await this._page.keyboard._ensureModifiers(restoreModifiers)631      },632      'input'633    )634    progress.log('  navigations have finished')635    return 'done'636  }637  async hover(metadata, options) {638    const controller = new _progress.ProgressController(metadata, this)639    return controller.run(async (progress) => {640      const result = await this._hover(progress, options)641      return assertDone(throwRetargetableDOMError(result))642    }, this._page._timeoutSettings.timeout(options))643  }644  _hover(progress, options) {645    return this._retryPointerAction(646      progress,647      'hover',648      false,649      /* waitForEnabled */650      (point) => this._page.mouse.move(point.x, point.y),651      options652    )653  }654  async click(metadata, options = {}) {655    const controller = new _progress.ProgressController(metadata, this)656    return controller.run(async (progress) => {657      const result = await this._click(progress, options)658      return assertDone(throwRetargetableDOMError(result))659    }, this._page._timeoutSettings.timeout(options))660  }661  _click(progress, options) {662    return this._retryPointerAction(663      progress,664      'click',665      true,666      /* waitForEnabled */667      (point) => this._page.mouse.click(point.x, point.y, options),668      options669    )670  }671  async dblclick(metadata, options) {672    const controller = new _progress.ProgressController(metadata, this)673    return controller.run(async (progress) => {674      const result = await this._dblclick(progress, options)675      return assertDone(throwRetargetableDOMError(result))676    }, this._page._timeoutSettings.timeout(options))677  }678  _dblclick(progress, options) {679    return this._retryPointerAction(680      progress,681      'dblclick',682      true,683      /* waitForEnabled */684      (point) => this._page.mouse.dblclick(point.x, point.y, options),685      options686    )687  }688  async tap(metadata, options = {}) {689    const controller = new _progress.ProgressController(metadata, this)690    return controller.run(async (progress) => {691      const result = await this._tap(progress, options)692      return assertDone(throwRetargetableDOMError(result))693    }, this._page._timeoutSettings.timeout(options))694  }695  _tap(progress, options) {696    return this._retryPointerAction(697      progress,698      'tap',699      true,700      /* waitForEnabled */701      (point) => this._page.touchscreen.tap(point.x, point.y),702      options703    )704  }705  async selectOption(metadata, elements, values, options) {706    const controller = new _progress.ProgressController(metadata, this)707    return controller.run(async (progress) => {708      const result = await this._selectOption(709        progress,710        elements,711        values,712        options713      )714      return throwRetargetableDOMError(result)715    }, this._page._timeoutSettings.timeout(options))716  }717  async _selectOption(progress, elements, values, options) {718    const optionsToSelect = [...elements, ...values]719    await progress.beforeInputAction(this)720    return this._page._frameManager.waitForSignalsCreatedBy(721      progress,722      options.noWaitAfter,723      async () => {724        progress.throwIfAborted() // Avoid action that has side-effects.725        progress.log('  selecting specified option(s)')726        const result = await this.evaluatePoll(727          progress,728          ([injected, node, { optionsToSelect, force }]) => {729            return injected.waitForElementStatesAndPerformAction(730              node,731              ['visible', 'enabled'],732              force,733              injected.selectOptions.bind(injected, optionsToSelect)734            )735          },736          {737            optionsToSelect,738            force: options.force739          }740        )741        await this._page._doSlowMo()742        return result743      }744    )745  }746  async fill(metadata, value, options = {}) {747    const controller = new _progress.ProgressController(metadata, this)748    return controller.run(async (progress) => {749      const result = await this._fill(progress, value, options)750      assertDone(throwRetargetableDOMError(result))751    }, this._page._timeoutSettings.timeout(options))752  }753  async _fill(progress, value, options) {754    progress.log(`elementHandle.fill("${value}")`)755    await progress.beforeInputAction(this)756    return this._page._frameManager.waitForSignalsCreatedBy(757      progress,758      options.noWaitAfter,759      async () => {760        progress.log(761          '  waiting for element to be visible, enabled and editable'762        )763        const filled = await this.evaluatePoll(764          progress,765          ([injected, node, { value, force }]) => {766            return injected.waitForElementStatesAndPerformAction(767              node,768              ['visible', 'enabled', 'editable'],769              force,770              injected.fill.bind(injected, value)771            )772          },773          {774            value,775            force: options.force776          }777        )778        progress.throwIfAborted() // Avoid action that has side-effects.779        if (filled === 'error:notconnected') return filled780        progress.log('  element is visible, enabled and editable')781        if (filled === 'needsinput') {782          progress.throwIfAborted() // Avoid action that has side-effects.783          if (value) await this._page.keyboard.insertText(value)784          else await this._page.keyboard.press('Delete')785        } else {786          assertDone(filled)787        }788        return 'done'789      },790      'input'791    )792  }793  async selectText(metadata, options = {}) {794    const controller = new _progress.ProgressController(metadata, this)795    return controller.run(async (progress) => {796      progress.throwIfAborted() // Avoid action that has side-effects.797      const result = await this.evaluatePoll(798        progress,799        ([injected, node, force]) => {800          return injected.waitForElementStatesAndPerformAction(801            node,802            ['visible'],803            force,804            injected.selectText.bind(injected)805          )806        },807        options.force808      )809      assertDone(throwRetargetableDOMError(result))810    }, this._page._timeoutSettings.timeout(options))811  }812  async setInputFiles(metadata, files, options) {813    const controller = new _progress.ProgressController(metadata, this)814    return controller.run(async (progress) => {815      const result = await this._setInputFiles(progress, files, options)816      return assertDone(throwRetargetableDOMError(result))817    }, this._page._timeoutSettings.timeout(options))818  }819  async _setInputFiles(progress, files, options) {820    for (const payload of files) {821      if (!payload.mimeType)822        payload.mimeType =823          mime.getType(payload.name) || 'application/octet-stream'824    }825    const result = await this.evaluateHandleInUtility(826      ([injected, node, multiple]) => {827        const element = injected.retarget(node, 'follow-label')828        if (!element) return829        if (element.tagName !== 'INPUT')830          throw injected.createStacklessError('Node is not an HTMLInputElement')831        if (multiple && !element.multiple)832          throw injected.createStacklessError(833            'Non-multiple file input can only accept single file'834          )835        return element836      },837      files.length > 1838    )839    if (result === 'error:notconnected' || !result.asElement())840      return 'error:notconnected'841    const retargeted = result.asElement()842    await progress.beforeInputAction(this)843    await this._page._frameManager.waitForSignalsCreatedBy(844      progress,845      options.noWaitAfter,846      async () => {847        progress.throwIfAborted() // Avoid action that has side-effects.848        await this._page._delegate.setInputFiles(retargeted, files)849      }850    )851    await this._page._doSlowMo()852    return 'done'853  }854  async focus(metadata) {855    const controller = new _progress.ProgressController(metadata, this)856    await controller.run(async (progress) => {857      const result = await this._focus(progress)858      await this._page._doSlowMo()859      return assertDone(throwRetargetableDOMError(result))860    }, 0)861  }862  async _focus(progress, resetSelectionIfNotFocused) {863    progress.throwIfAborted() // Avoid action that has side-effects.864    return await this.evaluateInUtility(865      ([injected, node, resetSelectionIfNotFocused]) =>866        injected.focusNode(node, resetSelectionIfNotFocused),867      resetSelectionIfNotFocused868    )869  }870  async type(metadata, text, options) {871    const controller = new _progress.ProgressController(metadata, this)872    return controller.run(async (progress) => {...

javascript.js

Source:javascript.js

...104  }105  async rawEvaluateJSON(expression) {106    return await this._delegate.rawEvaluateJSON(expression)107  }108  async doSlowMo() {109    // overridden in FrameExecutionContext110  }111}112exports.ExecutionContext = ExecutionContext113class JSHandle extends _instrumentation.SdkObject {114  constructor(context, type, preview, objectId, value) {115    super(context, 'handle')116    this._context = void 0117    this._disposed = false118    this._objectId = void 0119    this._value = void 0120    this._objectType = void 0121    this._preview = void 0122    this._previewCallback = void 0123    this._context = context124    this._objectId = objectId125    this._value = value126    this._objectType = type127    this._preview = this._objectId128      ? preview || `JSHandle@${this._objectType}`129      : String(value)130  }131  callFunctionNoReply(func, arg) {132    this._context._delegate.rawCallFunctionNoReply(func, this, arg)133  }134  async evaluate(pageFunction, arg) {135    return evaluate(136      this._context,137      true,138      /* returnByValue */139      pageFunction,140      this,141      arg142    )143  }144  async evaluateHandle(pageFunction, arg) {145    return evaluate(146      this._context,147      false,148      /* returnByValue */149      pageFunction,150      this,151      arg152    )153  }154  async evaluateExpressionAndWaitForSignals(155    expression,156    isFunction,157    returnByValue,158    arg159  ) {160    const value = await evaluateExpressionAndWaitForSignals(161      this._context,162      returnByValue,163      expression,164      isFunction,165      this,166      arg167    )168    await this._context.doSlowMo()169    return value170  }171  async getProperty(propertyName) {172    const objectHandle = await this.evaluateHandle((object, propertyName) => {173      const result = {174        __proto__: null175      }176      result[propertyName] = object[propertyName]177      return result178    }, propertyName)179    const properties = await objectHandle.getProperties()180    const result = properties.get(propertyName)181    objectHandle.dispose()182    return result...

Using AI Code Generation

1const { doSlowMo } = require('playwright/lib/server/slowmo');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 doSlowMo(page, 2000);8  await page.screenshot({ path: 'example.png' });9  await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13  const browser = await chromium.launch({ headless: false, slowMo: 2000 });14  const context = await browser.newContext();15  const page = await context.newPage();16  await page.screenshot({ path: 'example.png' });17  await browser.close();18})();

Using AI Code Generation

1const {chromium} = require('playwright');2const slowMo = 1000;3(async () => {4  const browser = await chromium.launch({slowMo});5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: `example.png` });8  await browser.close();9})();10const {chromium} = require('playwright');11const slowMo = 1000;12(async () => {13  const browser = await chromium.launch({slowMo});14  const context = await browser.newContext();15  const page = await context.newPage();16  await page.screenshot({ path: `example.png` });17  await browser.close();18})();19const {chromium} = require('playwright');20const slowMo = 1000;21(async () => {22  const browser = await chromium.launch({slowMo});23  const context = await browser.newContext();24  const page = await context.newPage();25  await page.screenshot({ path: `example.png` });26  await browser.close();27})();28const {chromium} = require('playwright');29const slowMo = 1000;30(async () => {31  const browser = await chromium.launch({slowMo});32  const context = await browser.newContext();33  const page = await context.newPage();34  await page.screenshot({ path: `example.png` });35  await browser.close();36})();37const {chromium} = require('playwright');38const slowMo = 1000;39(async () => {40  const browser = await chromium.launch({slowMo});41  const context = await browser.newContext();42  const page = await context.newPage();43  await page.screenshot({ path: `example.png` });44  await browser.close();45})();

Using AI Code Generation

1const { doSlowMo } = require('@playwright/test/lib/utils/slowmo');2const { chromium, webkit, firefox } = require('playwright');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  doSlowMo(page, 1000);8  await page.screenshot({ path: `example.png` });9  await browser.close();10})();11const { doSlowMo } = require('@playwright/test/lib/utils/slowmo');12const { chromium, webkit, firefox } = require('playwright');13(async () => {14  const browser = await chromium.launch({ headless: false });15  const context = await browser.newContext();16  const page = await context.newPage();17  doSlowMo(page, 1000);18  await page.screenshot({ path: `example.png` });19  await browser.close();20})();21const { doSlowMo } = require('@playwright/test/lib/utils/slowmo');22const { chromium, webkit, firefox } = require('playwright');23(async () => {24  const browser = await chromium.launch({ headless: false });25  const context = await browser.newContext();26  const page = await context.newPage();27  doSlowMo(page, 1000);28  await page.screenshot({ path: `example.png` });29  await browser.close();30})();31const { doSlowMo } = require('@playwright/test/lib/utils/slowmo');32const { chromium, webkit, firefox } = require('playwright');33(async () => {34  const browser = await chromium.launch({ headless: false });35  const context = await browser.newContext();36  const page = await context.newPage();37  doSlowMo(page, 1000);38  await page.screenshot({ path: `example.png` });39  await browser.close();40})();41const { doSlowMo } = require('@

Using AI Code Generation

1const { doSlowMo } = require('playwright/lib/server/slowmo');2doSlowMo(1000);3const { doSlowMo } = require('playwright/lib/server/slowmo');4doSlowMo(1000);5const { doSlowMo } = require('playwright/lib/server/slowmo');6doSlowMo(1000);7const { doSlowMo } = require('playwright/lib/server/slowmo');8doSlowMo(1000);9const { doSlowMo } = require('playwright/lib/server/slowmo');10doSlowMo(1000);11const { doSlowMo } = require('playwright/lib/server/slowmo');12doSlowMo(1000);13const { doSlowMo } = require('playwright/lib/server/slowmo');14doSlowMo(1000);15const { doSlowMo } = require('playwright/lib/server/slowmo');16doSlowMo(1000);17const { doSlowMo } = require('playwright/lib/server/slowmo');18doSlowMo(1000);19const { doSlowMo } = require('playwright/lib/server/slowmo');20doSlowMo(1000);21const { doSlowMo } = require('playwright/lib/server/slowmo');22doSlowMo(1000);23const { doSlowMo } = require('playwright/lib/server/slowmo');24doSlowMo(1000);25const { doSlowMo

Using AI Code Generation

1const { doSlowMo } = require('playwright/lib/utils/slowmo');2doSlowMo(1000, 0);3    ✓ SlowMo (1s)4  1 passed (1s)5const { chromium } = require('playwright');6(async () => {7  const browser = await chromium.launch({ slowMo: 1000 });8  const context = await browser.newContext();9  const page = await context.newPage();10  await page.screenshot({ path: `example.png` });11  await browser.close();12})();13    ✓ SlowMo (1s)14  1 passed (1s)15const { chromium } = require('playwright');16(async () => {17  const browser = await chromium.launch({ doSlowMo: 1000 });18  const context = await browser.newContext();19  const page = await context.newPage();20  await page.screenshot({ path: `example.png` });21  await browser.close();22})();23    ✓ SlowMo (1s)24  1 passed (1s)

Using AI Code Generation

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

Using AI Code Generation

1const { doSlowMo } = require('playwright/lib/utils/progress');2doSlowMo(2000);3const { doSlowMo } = require('playwright/lib/utils/progress');4const { doSlowMo } = require('playwright/lib/utils/progress');5doSlowMo(2000);6const { doSlowMo } = require('playwright/lib/utils/progress');7doSlowMo(2000);8const { doSlowMo } = require('playwright/lib/utils/progress');9doSlowMo(2000);10const { doSlowMo } = require('playwright/lib/utils/progress');11doSlowMo(2000);12const { doSlowMo } = require('playwright/lib/utils/progress');13doSlowMo(2000);14const { doSlowMo } = require('playwright/lib/utils/progress');15doSlowMo(2000);

Using AI Code Generation

1const { doSlowMo } = require('playwright/lib/internal/slowMo');2module.exports = {3    test: async ({ page }) => {4        await doSlowMo(page);5    },6};7const { test } = require('./test');8const { chromium } = require('playwright');9(async () => {10    const browser = await chromium.launch();11    const context = await browser.newContext();12    const page = await context.newPage();13    await test({ page });14    await page.close();15    await context.close();16    await browser.close();17})();18module.exports = {19    use: {20        test: require('./test'),21    },22};

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.