Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use hideOrUnhideAllChildren method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberCommitWork.old.js

Source:ReactFiberCommitWork.old.js

...330        throw Error( "This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue." );331      }332    }333  }334  function hideOrUnhideAllChildren(finishedWork, isHidden) {335    {336      // We only have the top Fiber that was inserted but we need to recurse down its337      // children to find all the terminal nodes.338      var node = finishedWork;339      while (true) {340        if (node.tag === HostComponent) {341          var instance = node.stateNode;342          if (isHidden) {343            hideInstance(instance);344          } else {345            unhideInstance(node.stateNode, node.memoizedProps);346          }347        } else if (node.tag === HostText) {348          var _instance3 = node.stateNode;349          if (isHidden) {350            hideTextInstance(_instance3);351          } else {352            unhideTextInstance(_instance3, node.memoizedProps);353          }354        } else if ((node.tag === OffscreenComponent || node.tag === LegacyHiddenComponent) && node.memoizedState !== null && node !== finishedWork) ; else if (node.child !== null) {355          node.child.return = node;356          node = node.child;357          continue;358        }359        if (node === finishedWork) {360          return;361        }362        while (node.sibling === null) {363          if (node.return === null || node.return === finishedWork) {364            return;365          }366          node = node.return;367        }368        node.sibling.return = node.return;369        node = node.sibling;370      }371    }372  }373  function commitAttachRef(finishedWork) {374    var ref = finishedWork.ref;375    if (ref !== null) {376      var instance = finishedWork.stateNode;377      var instanceToUse;378      switch (finishedWork.tag) {379        case HostComponent:380          instanceToUse = getPublicInstance(instance);381          break;382        default:383          instanceToUse = instance;384      } // Moved outside to ensure DCE works with this flag385      if (typeof ref === 'function') {386        ref(instanceToUse);387      } else {388        {389          if (!ref.hasOwnProperty('current')) {390            error('Unexpected ref object provided for %s. ' + 'Use either a ref-setter function or React.createRef().', getComponentName(finishedWork.type));391          }392        }393        ref.current = instanceToUse;394      }395    }396  }397  function commitDetachRef(current) {398    var currentRef = current.ref;399    if (currentRef !== null) {400      if (typeof currentRef === 'function') {401        currentRef(null);402      } else {403        currentRef.current = null;404      }405    }406  } // User-originating errors (lifecycles and refs) should not interrupt407  // deletion, so don't let them throw. Host-originating errors should408  // interrupt deletion, so it's okay409  function commitUnmount(finishedRoot, current, renderPriorityLevel) {410    onCommitUnmount(current);411    switch (current.tag) {412      case FunctionComponent:413      case ForwardRef:414      case MemoComponent:415      case SimpleMemoComponent:416      case Block:417        {418          var updateQueue = current.updateQueue;419          if (updateQueue !== null) {420            var lastEffect = updateQueue.lastEffect;421            if (lastEffect !== null) {422              var firstEffect = lastEffect.next;423              var effect = firstEffect;424              do {425                var _effect2 = effect,426                    destroy = _effect2.destroy,427                    tag = _effect2.tag;428                if (destroy !== undefined) {429                  if ((tag & Passive$1) !== NoFlags$1) {430                    enqueuePendingPassiveHookEffectUnmount(current, effect);431                  } else {432                    {433                      safelyCallDestroy(current, destroy);434                    }435                  }436                }437                effect = effect.next;438              } while (effect !== firstEffect);439            }440          }441          return;442        }443      case ClassComponent:444        {445          safelyDetachRef(current);446          var instance = current.stateNode;447          if (typeof instance.componentWillUnmount === 'function') {448            safelyCallComponentWillUnmount(current, instance);449          }450          return;451        }452      case HostComponent:453        {454          safelyDetachRef(current);455          return;456        }457      case HostPortal:458        {459          // TODO: this is recursive.460          // We are also not using this parent because461          // the portal will get pushed immediately.462          {463            unmountHostComponents(finishedRoot, current);464          }465          return;466        }467      case FundamentalComponent:468        {469          return;470        }471      case DehydratedFragment:472        {473          return;474        }475      case ScopeComponent:476        {477          return;478        }479    }480  }481  function commitNestedUnmounts(finishedRoot, root, renderPriorityLevel) {482    // While we're inside a removed host node we don't want to call483    // removeChild on the inner nodes because they're removed by the top484    // call anyway. We also want to call componentWillUnmount on all485    // composites before this host node is removed from the tree. Therefore486    // we do an inner loop while we're still inside the host node.487    var node = root;488    while (true) {489      commitUnmount(finishedRoot, node); // Visit children because they may contain more composite or host nodes.490      // Skip portals because commitUnmount() currently visits them recursively.491      if (node.child !== null && ( // If we use mutation we drill down into portals using commitUnmount above.492      // If we don't use mutation we drill down into portals here instead.493       node.tag !== HostPortal)) {494        node.child.return = node;495        node = node.child;496        continue;497      }498      if (node === root) {499        return;500      }501      while (node.sibling === null) {502        if (node.return === null || node.return === root) {503          return;504        }505        node = node.return;506      }507      node.sibling.return = node.return;508      node = node.sibling;509    }510  }511  function detachFiberMutation(fiber) {512    // Cut off the return pointers to disconnect it from the tree. Ideally, we513    // should clear the child pointer of the parent alternate to let this514    // get GC:ed but we don't know which for sure which parent is the current515    // one so we'll settle for GC:ing the subtree of this child. This child516    // itself will be GC:ed when the parent updates the next time.517    // Note: we cannot null out sibling here, otherwise it can cause issues518    // with findDOMNode and how it requires the sibling field to carry out519    // traversal in a later effect. See PR #16820. We now clear the sibling520    // field after effects, see: detachFiberAfterEffects.521    //522    // Don't disconnect stateNode now; it will be detached in detachFiberAfterEffects.523    // It may be required if the current component is an error boundary,524    // and one of its descendants throws while unmounting a passive effect.525    fiber.alternate = null;526    fiber.child = null;527    fiber.dependencies = null;528    fiber.firstEffect = null;529    fiber.lastEffect = null;530    fiber.memoizedProps = null;531    fiber.memoizedState = null;532    fiber.pendingProps = null;533    fiber.return = null;534    fiber.updateQueue = null;535    {536      fiber._debugOwner = null;537    }538  }539  function getHostParentFiber(fiber) {540    var parent = fiber.return;541    while (parent !== null) {542      if (isHostParent(parent)) {543        return parent;544      }545      parent = parent.return;546    }547    {548      {549        throw Error( "Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue." );550      }551    }552  }553  function isHostParent(fiber) {554    return fiber.tag === HostComponent || fiber.tag === HostRoot || fiber.tag === HostPortal;555  }556  function getHostSibling(fiber) {557    // We're going to search forward into the tree until we find a sibling host558    // node. Unfortunately, if multiple insertions are done in a row we have to559    // search past them. This leads to exponential search for the next sibling.560    // TODO: Find a more efficient way to do this.561    var node = fiber;562    siblings: while (true) {563      // If we didn't find anything, let's try the next sibling.564      while (node.sibling === null) {565        if (node.return === null || isHostParent(node.return)) {566          // If we pop out of the root or hit the parent the fiber we are the567          // last sibling.568          return null;569        }570        node = node.return;571      }572      node.sibling.return = node.return;573      node = node.sibling;574      while (node.tag !== HostComponent && node.tag !== HostText && node.tag !== DehydratedFragment) {575        // If it is not host node and, we might have a host node inside it.576        // Try to search down until we find one.577        if (node.flags & Placement) {578          // If we don't have a child, try the siblings instead.579          continue siblings;580        } // If we don't have a child, try the siblings instead.581        // We also skip portals because they are not part of this host tree.582        if (node.child === null || node.tag === HostPortal) {583          continue siblings;584        } else {585          node.child.return = node;586          node = node.child;587        }588      } // Check if this host node is stable or about to be placed.589      if (!(node.flags & Placement)) {590        // Found it!591        return node.stateNode;592      }593    }594  }595  function commitPlacement(finishedWork) {596    var parentFiber = getHostParentFiber(finishedWork); // Note: these two variables *must* always be updated together.597    var parent;598    var isContainer;599    var parentStateNode = parentFiber.stateNode;600    switch (parentFiber.tag) {601      case HostComponent:602        parent = parentStateNode;603        isContainer = false;604        break;605      case HostRoot:606        parent = parentStateNode.containerInfo;607        isContainer = true;608        break;609      case HostPortal:610        parent = parentStateNode.containerInfo;611        isContainer = true;612        break;613      case FundamentalComponent:614      // eslint-disable-next-line-no-fallthrough615      default:616        {617          {618            throw Error( "Invalid host parent fiber. This error is likely caused by a bug in React. Please file an issue." );619          }620        }621    }622    if (parentFiber.flags & ContentReset) {623      // Reset the text content of the parent before doing any insertions624      resetTextContent(parent); // Clear ContentReset from the effect tag625      parentFiber.flags &= ~ContentReset;626    }627    var before = getHostSibling(finishedWork); // We only have the top Fiber that was inserted but we need to recurse down its628    // children to find all the terminal nodes.629    if (isContainer) {630      insertOrAppendPlacementNodeIntoContainer(finishedWork, before, parent);631    } else {632      insertOrAppendPlacementNode(finishedWork, before, parent);633    }634  }635  function insertOrAppendPlacementNodeIntoContainer(node, before, parent) {636    var tag = node.tag;637    var isHost = tag === HostComponent || tag === HostText;638    if (isHost || enableFundamentalAPI ) {639      var stateNode = isHost ? node.stateNode : node.stateNode.instance;640      if (before) {641        insertInContainerBefore(parent, stateNode, before);642      } else {643        appendChildToContainer(parent, stateNode);644      }645    } else if (tag === HostPortal) ; else {646      var child = node.child;647      if (child !== null) {648        insertOrAppendPlacementNodeIntoContainer(child, before, parent);649        var sibling = child.sibling;650        while (sibling !== null) {651          insertOrAppendPlacementNodeIntoContainer(sibling, before, parent);652          sibling = sibling.sibling;653        }654      }655    }656  }657  function insertOrAppendPlacementNode(node, before, parent) {658    var tag = node.tag;659    var isHost = tag === HostComponent || tag === HostText;660    if (isHost || enableFundamentalAPI ) {661      var stateNode = isHost ? node.stateNode : node.stateNode.instance;662      if (before) {663        insertBefore(parent, stateNode, before);664      } else {665        appendChild(parent, stateNode);666      }667    } else if (tag === HostPortal) ; else {668      var child = node.child;669      if (child !== null) {670        insertOrAppendPlacementNode(child, before, parent);671        var sibling = child.sibling;672        while (sibling !== null) {673          insertOrAppendPlacementNode(sibling, before, parent);674          sibling = sibling.sibling;675        }676      }677    }678  }679  function unmountHostComponents(finishedRoot, current, renderPriorityLevel) {680    // We only have the top Fiber that was deleted but we need to recurse down its681    // children to find all the terminal nodes.682    var node = current; // Each iteration, currentParent is populated with node's host parent if not683    // currentParentIsValid.684    var currentParentIsValid = false; // Note: these two variables *must* always be updated together.685    var currentParent;686    var currentParentIsContainer;687    while (true) {688      if (!currentParentIsValid) {689        var parent = node.return;690        findParent: while (true) {691          if (!(parent !== null)) {692            {693              throw Error( "Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue." );694            }695          }696          var parentStateNode = parent.stateNode;697          switch (parent.tag) {698            case HostComponent:699              currentParent = parentStateNode;700              currentParentIsContainer = false;701              break findParent;702            case HostRoot:703              currentParent = parentStateNode.containerInfo;704              currentParentIsContainer = true;705              break findParent;706            case HostPortal:707              currentParent = parentStateNode.containerInfo;708              currentParentIsContainer = true;709              break findParent;710          }711          parent = parent.return;712        }713        currentParentIsValid = true;714      }715      if (node.tag === HostComponent || node.tag === HostText) {716        commitNestedUnmounts(finishedRoot, node); // After all the children have unmounted, it is now safe to remove the717        // node from the tree.718        if (currentParentIsContainer) {719          removeChildFromContainer(currentParent, node.stateNode);720        } else {721          removeChild(currentParent, node.stateNode);722        } // Don't visit children because we already visited them.723      } else if ( node.tag === DehydratedFragment) {724        if (currentParentIsContainer) {725          clearSuspenseBoundaryFromContainer(currentParent, node.stateNode);726        } else {727          clearSuspenseBoundary(currentParent, node.stateNode);728        }729      } else if (node.tag === HostPortal) {730        if (node.child !== null) {731          // When we go into a portal, it becomes the parent to remove from.732          // We will reassign it back when we pop the portal on the way up.733          currentParent = node.stateNode.containerInfo;734          currentParentIsContainer = true; // Visit children because portals might contain host components.735          node.child.return = node;736          node = node.child;737          continue;738        }739      } else {740        commitUnmount(finishedRoot, node); // Visit children because we may find more host components below.741        if (node.child !== null) {742          node.child.return = node;743          node = node.child;744          continue;745        }746      }747      if (node === current) {748        return;749      }750      while (node.sibling === null) {751        if (node.return === null || node.return === current) {752          return;753        }754        node = node.return;755        if (node.tag === HostPortal) {756          // When we go out of the portal, we need to restore the parent.757          // Since we don't keep a stack of them, we will search for it.758          currentParentIsValid = false;759        }760      }761      node.sibling.return = node.return;762      node = node.sibling;763    }764  }765  function commitDeletion(finishedRoot, current, renderPriorityLevel) {766    {767      // Recursively delete all host nodes from the parent.768      // Detach refs and call componentWillUnmount() on the whole subtree.769      unmountHostComponents(finishedRoot, current);770    }771    var alternate = current.alternate;772    detachFiberMutation(current);773    if (alternate !== null) {774      detachFiberMutation(alternate);775    }776  }777  function commitWork(current, finishedWork) {778    switch (finishedWork.tag) {779      case FunctionComponent:780      case ForwardRef:781      case MemoComponent:782      case SimpleMemoComponent:783      case Block:784        {785          // Layout effects are destroyed during the mutation phase so that all786          // destroy functions for all fibers are called before any create functions.787          // This prevents sibling component effects from interfering with each other,788          // e.g. a destroy function in one component should never override a ref set789          // by a create function in another component during the same commit.790          {791            commitHookEffectListUnmount(Layout | HasEffect, finishedWork);792          }793          return;794        }795      case ClassComponent:796        {797          return;798        }799      case HostComponent:800        {801          var instance = finishedWork.stateNode;802          if (instance != null) {803            // Commit the work prepared earlier.804            var newProps = finishedWork.memoizedProps; // For hydration we reuse the update path but we treat the oldProps805            // as the newProps. The updatePayload will contain the real change in806            // this case.807            var oldProps = current !== null ? current.memoizedProps : newProps;808            var type = finishedWork.type; // TODO: Type the updateQueue to be specific to host components.809            var updatePayload = finishedWork.updateQueue;810            finishedWork.updateQueue = null;811            if (updatePayload !== null) {812              commitUpdate(instance, updatePayload, type, oldProps, newProps);813            }814          }815          return;816        }817      case HostText:818        {819          if (!(finishedWork.stateNode !== null)) {820            {821              throw Error( "This should have a text node initialized. This error is likely caused by a bug in React. Please file an issue." );822            }823          }824          var textInstance = finishedWork.stateNode;825          var newText = finishedWork.memoizedProps; // For hydration we reuse the update path but we treat the oldProps826          // as the newProps. The updatePayload will contain the real change in827          // this case.828          var oldText = current !== null ? current.memoizedProps : newText;829          commitTextUpdate(textInstance, oldText, newText);830          return;831        }832      case HostRoot:833        {834          {835            var _root = finishedWork.stateNode;836            if (_root.hydrate) {837              // We've just hydrated. No need to hydrate again.838              _root.hydrate = false;839              commitHydratedContainer(_root.containerInfo);840            }841          }842          return;843        }844      case Profiler:845        {846          return;847        }848      case SuspenseComponent:849        {850          commitSuspenseComponent(finishedWork);851          attachSuspenseRetryListeners(finishedWork);852          return;853        }854      case SuspenseListComponent:855        {856          attachSuspenseRetryListeners(finishedWork);857          return;858        }859      case IncompleteClassComponent:860        {861          return;862        }863      case FundamentalComponent:864        {865          break;866        }867      case ScopeComponent:868        {869          break;870        }871      case OffscreenComponent:872      case LegacyHiddenComponent:873        {874          var newState = finishedWork.memoizedState;875          var isHidden = newState !== null;876          hideOrUnhideAllChildren(finishedWork, isHidden);877          return;878        }879    }880    {881      {882        throw Error( "This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue." );883      }884    }885  }886  function commitSuspenseComponent(finishedWork) {887    var newState = finishedWork.memoizedState;888    if (newState !== null) {889      markCommitTimeOfFallback();890      {891        // Hide the Offscreen component that contains the primary children. TODO:892        // Ideally, this effect would have been scheduled on the Offscreen fiber893        // itself. That's how unhiding works: the Offscreen component schedules an894        // effect on itself. However, in this case, the component didn't complete,895        // so the fiber was never added to the effect list in the normal path. We896        // could have appended it to the effect list in the Suspense component's897        // second pass, but doing it this way is less complicated. This would be898        // simpler if we got rid of the effect list and traversed the tree, like899        // we're planning to do.900        var primaryChildParent = finishedWork.child;901        hideOrUnhideAllChildren(primaryChildParent, true);902      }903    }904  }905  function commitSuspenseHydrationCallbacks(finishedRoot, finishedWork) {906    var newState = finishedWork.memoizedState;907    if (newState === null) {908      var current = finishedWork.alternate;909      if (current !== null) {910        var prevState = current.memoizedState;911        if (prevState !== null) {912          var suspenseInstance = prevState.dehydrated;913          if (suspenseInstance !== null) {914            commitHydratedSuspenseInstance(suspenseInstance);915          }...

ReactFiberCommitWork.js

Source:ReactFiberCommitWork.js

...325    // case OffscreenComponent:326    // case LegacyHiddenComponent: {327    //   const newState = finishedWork.memoizedState;328    //   const isHidden = newState !== null;329    //   hideOrUnhideAllChildren(finishedWork, isHidden);330    //   return;331    // }332  }333  invariant(334    false,335    'This unit of work tag should not have side-effects. This error is ' +336      'likely caused by a bug in React. Please file an issue.'337  );338};339const unmountHostComponents = (340  finishedRoot,341  current,342  renderPriorityLevel343) => {};...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.click('text=English');7  await page.click('text=Deutsch');8  await page.click('text=English');9  await page.click('text=Español');10  await page.click('text=English');11  await page.click('text=日本語');12  await page.click('text=English');13  await page.click('text=Français');14  await page.click('text=English');15  await page.click('text=Русский');16  await page.click('text=English');17  await page.click('text=Italiano');18  await page.click('text=English');19  await page.click('text=中文');20  await page.click('text=English');21  await page.click('text=Português');22  await page.click('text=English');23  await page.click('text=Polski');24  await page.click('text=English');25  await page.click('text=한국어');26  await page.click('text=English');27  await page.click('text=العربية');28  await page.click('text=English');29  await page.click('text=Nederlands');30  await page.click('text=English');31  await page.click('text=Català');32  await page.click('text=English');33  await page.click('text=Українська');34  await page.click('text=English');35  await page.click('text=Tiếng Việt');36  await page.click('text=English');37  await page.click('text=Български');38  await page.click('text=English');39  await page.click('text=Čeština');40  await page.click('text=English');41  await page.click('text=Esperanto');42  await page.click('text=English');43  await page.click('text=Hrvatski');44  await page.click('text=English');45  await page.click('text=עברית');46  await page.click('text=English');47  await page.click('text=Magyar');48  await page.click('text=English');

Using AI Code Generation

1const { webkit } = require('playwright');2(async () => {3  const browser = await webkit.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.click('text=Docs');7  await page._delegate.hideOrUnhideAllChildren(true);8  await page._delegate.hideOrUnhideAllChildren(false);9  await browser.close();10})();

Using AI Code Generation

1const { hideOrUnhideAllChildren } = require('@playwright/test/lib/server/frames');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 frame = page.mainFrame();8  const elements = await frame.$$('div');9  await hideOrUnhideAllChildren(frame, elements, true);10  await browser.close();11})();

Using AI Code Generation

1const { hideOrUnhideAllChildren } = require('playwright/lib/protocol/chromium');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 hideOrUnhideAllChildren(page, true);8  await page.screenshot({ path: 'google-hidden.png' });9  await hideOrUnhideAllChildren(page, false);10  await page.screenshot({ path: 'google-unhidden.png' });11  await browser.close();12})();13import { chromium } from 'playwright';14import { hideOrUnhideAllChildren } from 'playwright/lib/protocol/chromium';15(async () => {16  const browser = await chromium.launch();17  const context = await browser.newContext();18  const page = await context.newPage();19  await hideOrUnhideAllChildren(page, true);20  await page.screenshot({ path: 'google-hidden.png' });21  await hideOrUnhideAllChildren(page, false);22  await page.screenshot({ path: 'google-unhidden.png' });23  await browser.close();24})();25from playwright.sync_api import sync_playwright26with sync_playwright() as p:27        browser = browser_type.launch()28        page = browser.new_page()29        page.hide_or_unhide_all_children(True)30        page.screenshot(path='google-hidden.png')31        page.hide_or_unhide_all_children(False)32        page.screenshot(path='google-unhidden.png')33        browser.close()34import com.microsoft.playwright.*;35public class Test {36    public static void main(String[] args) {37        try (Playwright playwright = Playwright.create()) {38            BrowserType browserType = playwright.chromium();39            Browser browser = browserType.launch();40            BrowserContext context = browser.newContext();41            Page page = context.newPage();

Using AI Code Generation

1const { hideOrUnhideAllChildren } = require('playwright/lib/helper');2const { chromium } = 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  await page.click('input[name="q"]');8  await hideOrUnhideAllChildren(page, 'input[name=q]', true);9  await hideOrUnhideAllChildren(page, 'input[name=q]', false);10  await page.close();11  await context.close();12  await browser.close();13})();

Using AI Code Generation

1const { hideOrUnhideAllChildren } = require('@playwright/test/lib/utils/elementHandleDispatcher');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 elementHandle = await page.$('input');8  await hideOrUnhideAllChildren(elementHandle, false);9  await browser.close();10})();

Using AI Code Generation

1const { hideOrUnhideAllChildren } = require('@playwright/test/lib/runner/browserContext');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  await hideOrUnhideAllChildren(context, false);7  const page = await context.newPage();8  await page.screenshot({ path: 'example.png' });9  await browser.close();10})();11hideOrUnhideAllChildren(context: BrowserContext, hide: boolean) => Promise<void>12hideOrUnhideChild(context: BrowserContext, child: Page | BrowserContext, hide: boolean) => Promise<void>13hideOrUnhideAllChildren(context, true);14hideOrUnhideChild(context, page, true);15hideOrUnhideChild(context, context, true);16hideOrUnhideAllChildren(context, false);17hideOrUnhideChild(context, page, false);18hideOrUnhideChild(context, context, false);19hideOrUnhideAllChildren(context, true);20  hideOrUnhideChild(context, page, true);21  hideOrUnhideChild(context, context, true);22  hideOrUnhideAllChildren(context, false);23  hideOrUnhideChild(context, page, false);24  hideOrUnhideChild(context, context, false);

Using AI Code Generation

1const {hideOrUnhideAllChildren} = require('playwright/lib/internal/frames');2const {chromium} = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const frame = page.mainFrame();7  const elementHandle = await frame.$('#section1');8  await hideOrUnhideAllChildren(elementHandle, false);9  await page.screenshot({path: 'test.png'});10  await browser.close();11})();12.accordion {13  background-color: #eee;14  color: #444;15  cursor: pointer;16  padding: 18px;17  width: 100%;18  border: none;19  text-align: left;20  outline: none;21  font-size: 15px;22  transition: 0.4s;23}24.active, .accordion:hover {25  background-color: #ccc;26}27.panel {28  padding: 0 18px;29  background-color: white;30  display: none;31  overflow: hidden;32}33var acc = document.getElementsByClassName("accordion");34var i;35for (i = 0; i < acc.length; i++) {36  acc[i].addEventListener("click", function() {37    this.classList.toggle("active");38    var panel = this.nextElementSibling;39    if (panel.style.display === "block") {40      panel.style.display = "none";41    } else {42      panel.style.display = "block";43    }44  });45}

Using AI Code Generation

1const {hideOrUnhideAllChildren} = require('playwright/lib/server/dom.js');2const {chromium} = require('playwright');3const {test, expect} = require('@playwright/test');4test('should hide all children of an element', async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  const element = await page.$('text=Learn More');9  await hideOrUnhideAllChildren(page, element, true);10  expect(await element.isVisible()).toBe(false);11  await browser.close();12});

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.