Puppeteer waitforselector hidden. When load is not enough.
Puppeteer waitforselector hidden I'm using page. focus() and page. Commented Feb 12, 2021 at 23:30. I'll take a look at the actual problem if I get the chance, but I suspect the site is detecting your bot and throttling access, there's an A/B test where selectors change, a Hi everybody, Description I use puppeteer-sharp to render html into pdf - for performance reasons I use WaitForSelector - a JavaScript function inside my html adds a css class during rendering, which I looking for. As said in documentation, your script will wait until The site has changed in the 4 years since this has been asked, but it's a common story: an element is hand-verified to exist in dev tools and the selector is copied to Puppeteer but there's a timeout when waiting for it. This method is particularly useful when dealing with dynamic content that loads asynchronously. home-hero', { hidden: true }); 9 await page. waitForSelector(), but that element handle can go stale the next time you try to evaluate() it, so this probably won't solve the problem. I am using puppeteer with node. I'm assuming the waitForSelector just finds the first match on the selector right away (regardless of whether or not it is visible) and then waits for it lau-a changed the title Promise. By default, this timeout is set to 30 seconds (30000 milliseconds), but it can be adjusted or disabled entirely by passing 0. This method is particularly useful when testing responsive designs or simulating different devices. I have code that is at some point doing this: await page. Conclusion. Out of the two approaches I took, only the try-catch method worked. Never wait for timeout in production. 1 Platform / OS version: Mac OS X 10. waitForSelector By integrating Puppeteer with PHP through tools like php-puppeteer, developers can leverage its full power for scraping dynamic content from modern websites. Reload to refresh your session. Then once we’re done, we call browser. . the element's visibility is hidden or collapse. Without catch of the Promise, they do not log any intended output, but emit Node. Add a comment | Neither DOM nodes or Puppeteer elementHandles look like Let's say I have an element with the class name of . myclass', {hidden: true, which means that the type of the returned value is Promise<ElementHandle | null>. number. launch Using puppeteer, i open up a page when i enter a value - it outputs the result. One of the tests I would like to automate is a user pressing a button on the page that deletes an element in the DOM. Contribute to puppeteer/puppeteer development by creating an account on GitHub. I control the source code to the page itself, so any ideas accepted, even those that require changes to the target server. boolean. Otherwise, you can use page. waitForSelector() method in Puppeteer is essential for waiting for elements to appear in the DOM. However, Puppeteer keeps getting timeout. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company As an aside, regardless of what function it's in, overusing XPath can be an antipattern in Puppeteer. resolve is not a function, waitForSelector does not work Promise. Puppeteer waitForSelector not working as expected. waitForSelector function that will check or actually wait until an element is visible: const element = await page. click({ clickCount: 3 }); because relies on the OS to have this enabled and work everywhere, you don't want to worry about this I am trying to scrape a dynamic site using puppeteer in node, but not able to click the required elements no matter what. isIntersectingViewport(this, options) Resolves to true if the element is visible in the current viewport. waitForSelector('#myId') Waiting for all the pages to load can take time instead you can wait only for what you need and then take a Saved searches Use saved searches to filter your results more quickly npm i puppeteer # Downloads compatible Chrome during installation. See ElementHandle. goto("https://www. The following XPath expressions will work even if there are additional classes present on the element other than count. resolve is not a function, waitForSelector does not work for Frame Promise. waitForSelector documentation and PR 967. I don't know the first thing about Puppeteer, so I could not help you with that, and interactive I have built a nodeJS service that takes a screenshot of a Single Page Application using Puppeteer. value : you will get its value without any problems. It runs in headless mode by default but can be configured to run in full Chrome/Chromium. AbortSignal. @OrKoN that's amazing insight ! Thank you ! Especially point 2): there are multiple elements with the same selectors and the one that gets queried for is not visible. waitForSelector(sel); await el. new article added on local news page) and do something after detection (send email). in/C. js library that provides a high-level API to control Chrome/Chromium over the DevTools Protocol. 0 puppeteer 0. Something like this: But I found another solution using waitForSelector() with args "hidden" and "visible" on a loader selector – PepeW. This option waits for the load event to be fired. Example Usage // Import puppeteer import puppeteer from 'puppeteer'; (async => { // Launch the browser const browser = await puppeteer. You switched accounts on another tab or window. waitForSelector ('img'). For long comments disqus adds a clickable "See more" element. waitForSelector function is not what I'm looking for, because it only checks if the element is in the DOM and is not hidden with CSS properties. disabled`). Networkidle0, the longest wait period. Don't get me wrong, but your question was not about Puppeteer at all (also noted by the first comment beneath it) - it was about how to structure your code so that it finishes reading the CSV file before it tries to use the data. To wait until an element is visible with Puppeteer, we call the page. What i want to achieve is loop through all of them to make them fully visible and then save the page. close to close the browser. const selector = 'my-selector'; const ele = await page. How to reload and wait for an element to appear? 2. – Сase: There is a list in which you need to select an item, then it closes. There is a few options to choose, but in my practice I found the most useful networkidle2. I tried to get the form iframe by using const formFrame = page. js warning: puppeteer waitForSelector and "none-existing" element. 0-next. Note: Just updated the css tag and changed it to await bframe. waitForSelector(selector, {visible: true, timeout: 3000 }); solved it. This method is essential for ensuring that your scripts interact with elements only when they are available, reducing the chances of errors and You can wait for the page to load in Puppeteer by using the waitForSelector method. You might think Minimal, reproducible example import puppeteer from "puppeteer-extra"; import { launch, getStream } from "puppeteer-stream"; import StealthPlugin from "puppeteer-extra-plugin-stealth"; import fs fr You can try to see how to identify the overlaying DIV and then use waitForSelector passing the hidden options. click('span[text=dummy]')); DOM I want puppeteer to wait for the point where "Done fetching page" is printed without a preset timeout. This could be written with CSS more cleanly, both in terms of the CSS syntax itself, but also the avoidance of ::-p-xpath(). Basically I'm crawling a webpage with a WaitUntil set to WaitUntilNavigation. 36s to fire and has meant that bbc's images have all loaded. This is critical when scraping dynamic content that doesn’t load Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Puppeteer-WaitForSelector() , I have to use this function with a selector present in nested iframe. 2. 0 What steps will reproduce the pro Saved searches Use saved searches to filter your results more quickly Page. It could be so nice, that the hidden: true option, was refactored into its own method, like waitForHiddenSelector, and only let this one return null (or void). I want to get the value of each selector and the You probably want setDefaultTimeout or set the timeout directly on the waitForSelector call. home-hero @jsnanigans yes, I don't like to magically set the . I've seen a good number of Puppeteer scripts in a state of confusion as the author tried to translate their working console code to page. childFrames() methods. I cannot access by simply using page. 2 Puppeteer waitForSelector not working as Summary of problem: I'm writing several test suites (using Jest and Puppeteer) to automate tests of my AngularJS app's home page. Commented Aug 28, 2020 at 14:10. The examples for page. Wait for the selected element to not be found in the DOM or to be hidden. Hidden − Puppeteer shall wait till an element locator is hidden from the page. com'); It worked, but I found the email address was typed What is the difference between visible:false and hidden:true for page. Opting for Puppeteer in form @Ben Good thing you got that part working. But I don't know what the selector should be because the div that I need to click is the child of many I am using Puppeteer to build a basic web-scraper and so far I can return all the data I require from any given page, however when pagination is involved my scraper comes unstuck (only returning the 1st page). click(). some-div-selector', { hidden: true}); Share. I figured it out. I am using Puppeteer to do some webscraping which is executed on a scheduled pubsub Cloud Function. goto method in Puppeteer is used to navigate to a specific URL. parent-element'); Does Puppeteer wait for all of the children elements to render before resolving?. Closed jacobweber opened this issue Nov 14, 2018 · 1 comment aslushnikov added With regard to this part of your question "Or even better; how to click an element with a specific innerHTML. Frame object's lifecycle is controlled by three events, dispatched on the page object: 'frameattached' - fired when the frame gets I found method waitForSelector method which has options visible, but I think if DOM node has display: block; and some parent component has style overflow: hidden and my element outside the parent this waitForSelector returns wrong waitForFunction is a the most general "poll on any predicate" tool in Puppeteer. resolve is not a function, waitForSelector does not work for Frame Nov 10, 2017 lau-a changed the title Promise. Upon page. waitForSelector() method. timeout: 5000 }); 8 await page. timeout. Learn how to set up and run automated tests with code examples of waitForFunction method from our library. This patch: - introduces page. isHidden() for the definition of element invisibility. There’s no need for evil “sleep(1000)” calls in puppeteer scripts. You can give a { visible: false } option to the page. waitForSelector('span[text=]') . waitForSelector "hidden" option is ambiguous #3540. Essentially I'm trying to do the opposite of visible: true. This event is triggered Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Yes, you can use const el = await page. I am trying to capture I am trying to click on the link, which contains a text inside the span Code i tried page . The waitForSelector method in Puppeteer is a powerful tool for waiting for elements to appear in the DOM. Is this a problem where I have to fill out a form that is inside an iframe, here the sample page. But for beginners, there are some complexities that the developers The networkidle2 option waits until there are no more than two active network connections for at least 500ms. I'm not sure if this is a bug or not but I think it relates to #2192. newPage( ) await page. This feature is extremely helpful while performing web scraping on dynamic websites. This change adds checks for display: none an page. click(); Whatever you do, avoid sleeping. If the selector doesn't appear after the timeout milliseconds I'm a complete newbie with node. Load 7 more FYI This is in a script being run by puppeteer. waitForSelector('#username', { visible: true }); Puppeteer sends below 5 messages to Chrome. waitForSelector(selector); await ele. Timeout − The maximum wait time for an element in milliseconds. goto Waiting until the table is filled. This ensures that the page has finished loading all critical resources. $ method. $ Can anyone tell me the right way to make this match a selector that has "recaptcha-verify-button" who's class list includes "rc-button-disabled" ? await bframe. waitForSelector('#selector', { visible: true }); This will do a decent check. The waitForSelector method in Puppeteer is used to wait for an element to appear in the DOM. But that probably won't help you--30 sec is usually plenty of time, so there's probably a deeper issue. Websites often do not expect the viewport size to change dynamically, so it is recommended to set the viewport size before navigating to the page. have display: none or visibility: hidden CSS properties. waitForFunction(`document. g. waitForSelector() and page. When considering the automation of forms on web pages, Puppeteer proves to be a valuable tool with a range of methods for efficiently managing different form input types. puppeteer wait for network idle after click. signal. 6 URLs (if applicable): - Node. Or does Puppeteer resolve as soon as the opening tag for the parent element appear in the DOM? The waitForSelector method in Puppeteer is a powerful tool for waiting for elements to appear in the DOM. waitForXPath() to wait for an XPath expression to locate element(s) on the page. Available Options load. list'); await page. type() will work, whereas setting the element's value via attribute doesn't care as long as it's part of I have a form with two fields username and password. Resolves to null if waiting for hidden: true and selector is not found in DOM. Changing the line . I wouldn't do await = foo. But according to the documentation, if the hidden option is set to false (which is the default), then waitForSelector is always going to return a non-null value (or throw an exception). const sel = "#readium-right-panel > ul > li:first-child"; const el = await page. In this article, we’ll explore how to set up Puppeteer in a PHP environment. Apparently an element has to be visible before page. Here's a function you could use - const waitTillHTMLRendered = async Use the waitForFunction method in your next Puppeteer project with LambdaTest Automation Testing Advisor. The waitUntil option in Puppeteer is crucial for controlling the timing of actions that depend on the state of the page. when the form is submitted correctly, a table containing the results appear which has #some_id. 3 Puppeteer: TimeoutError: waiting for selector. waitForXPath() Wait for XPath. class: Frame. 0 waitForSelector on id AND class*=? Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this question There are many, many ways someone can hide an element from view, but it seems odd that the only stylistic check done here is on the visibility property. I'm not sure if I'm using node. waitForSelector( selector, {options : value} ) The waitForSelector accepts two parameters. js and puppeteer to get some data. launch (); const page = await browser. g Only the functions page. I am not able to understand what happens in req1. Hot Network Questions Did the Israelites defecate when eating the manna? How to generate and list all possible six-digit numbers that meet the specified criteria using the given digits? Do commuting operators also commute on a subspace? I was just looking the code for waitForFunction and waitForSelector myself; from what I gather, refactoring waitForSelector to accept arrays would requiring introducing an additional parameter defining whether the the array of promises should be a race or all, and of course all the logic that goes along with it. ('. See the full code of the I am trying to enter a value into an (specified in the code) input, but puppeteer cannot find the selector. Specifically, this is what I am trying to do: open google >> search "hotels in London" >> click on "View 3810 hotels" >> click on "Learn more" for first hotel >> click on "Prices" >> scrape content on "Prices" page. modal-body matches, but this only seems to work if the first match is the one that becomes visible. js 8. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company And then we call page. goto() and page. waitForSelector()`, ensure to set visibility options appropriately (`visible: true` or `hidden: true`) to match the specific conditions of the element you are waiting Steps to reproduce Tell us about your environment: Puppeteer version: 5. hidden Puppeteer waits till element disappears from page, i. Below are the key aspects and usage examples of this method. If the element is an hidden. 3. I am trying to build something similar to puppeteer, but in C. click('. You can even test it from Chrome DevTools Console tab by running $('#recaptcha-token'). When using `page. See also the Playwright docs for waitForTimeout, which is essentially the same as the Puppeteer method: Discouraged. waitForSelector) or number (and in this case it's a promisified timeout). Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Puppeteer is pretty easy to use as it provides many APIs to interact with the dom and carry out complex automation and testing. launch({ headless: false }) page = await browser. like this: 'a. So watching for the completion of HTML source code modifications by the browser seems to be yielding better results. all will let all the promises run to fulfillment simultaneously, so here you’re simultaneously hovering and clicking on a particular element, waiting for two selectors, and clicking on an element matching the last one. value, is hacky. waitForSelector with the CSS selector of the element we want to wait for. count, rather than [class="count"]. Use the waitForNavigation method in your next Puppeteer project with LambdaTest Automation Testing Advisor. This is particularly useful when dealing with dynamic content that may not be immediately available. Hot Network Questions The chapter starts No. waitForSelector method. false. use page . Is there a way to wait for network requests to resolve after performing an action on a page, before performing a new action in Puppeteer? I need to interact with a select menu on the page using page. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Wndows 7 x64 Node. At every point of time, page exposes its current frame tree via the page. waitFor method, which accepts either string (and in this case is a shortcut for page. waitForSelector(sel('main-dashboard'), { timeout: 1000 }) work when await page. Learn how to set up and run automated tests with code examples of waitForNavigation method from our library. For example, if I add a hidden DOM element after the end of the Ajax call, I can use await page. modal-body', {visible: true}); There are multiple . 4. The Puppeteer Documentation for the Frame class helps explain the frame events:. If at the moment of calling the method the selector already exists, the method will return immediately. Now I'm looking for a good way to wait until the table is loaded and if the code fails, redo the process of filling in the form until it works correctly. But it sounds like you may need a bespoke evaluate() with a tight polling mutation observer to make sure you get it synchronously. Puppeteer plays a pivotal role in facilitating seamless control over web browsers, allowing developers to automate scrolling actions with Puppeteer Guide: Submitting A Form. For some reason first time I can focus on input and enter my email address but with s In Puppeteer, how can I check if, for example, #idProductType exists and if not, set producttype to ""? I tried many many things but it doesn't work. Puppeteer is a Node. the element has an empty bounding client rect. Please help! // this script parses the data from https://excise. page. screenshot or something similar to make sure that the page is actually I have a working puppeteer script that I'd like to make into an API but I'm having problems with waitForSelector. click('button[class="button form-button rs-gcbalance-btn"]') await page. The input type is hidden and it can successfully find every other element on the page, except for the input fields. parent-element with three children elements. browser = await puppeteer. fixes puppeteer#4356 I failed to use puppeteer to get the value from hidden element. I read puppeteer page. A signal object that allows you to cancel a waitForSelector call. 2. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Puppeteer will find elements by CSS selector if element exist DOM. In this example im trying to detect if the child node have been added or removed from parent node (target div node) and output something in the console after detection. You signed out in another tab or window. In a specific case, I need to access a series of checkboxes using Puppeteer. Visible: A boolean wait for element to be present in DOM and to be visible, i. The default value is false. I was having a problem like this with Puppeteer v1. waitForSelector(sel('test-project'), { timeout: 1000 }) The page. try-catch block - working try @jijojosephk I tried the example you provided and it successfully returns the url both with headless: true and false. Maximum time to wait in milliseconds puppeteer waitForSelector and "none-existing" element. This level of control can be useful when you need to wait for an element to transition between specific states (e. How to check if element exists inside async / await with Puppeteer. js and trying to do this automation. waitForSelector('div', {hidden: true}); Share. Example The input was contained by a hidden element. then Puppeteer facilitates this process through its page. However, I am having a hard time trying to login using puppeteer due to the login form being nested with an I'm trying to use puppeteer to go to a webpage and then click in a element. This guide provides step-by-step instructions to enhance your scraping skills. How to get HTML element text using puppeteer. to not have display: none or visibility: hidden CSS properties. waitForFunction lets you poll on mutation or requestAnimationFrame, I am learning nodejs/puppeteer and having issues getting Puppeteer to fill UPC numbers from a CSV file onto the search bar of a book website. waitForFunction to wait until the table is filled with enough rows. , loading spinners). I see total 5 requests sent by puppeteer and 5 responses from devtools as shown below. 1 How to make Puppeteer's waitFor work? It blocks execution in current form. In this article, we’ll explore both the fundamental You should proceed a call of hidden: true with a await waitForSelector() to ensure you are correctly waiting for the node to be visible before testing that it is hidden, if you expect it to appear then disappear within waitForSelector method returns the promise with element handle which is represented by the selector expression and null if element is not found after timeout, hence it is always better to use waitForSelector method instead of page. waitForFunction('getFruit'); doesn't make much sense--it translates into running the literal code getFruit in the browser. type('#email', 'test@example. Using waitForSelector. I am not able to understand their usecases as well as most importantly difference between them. 0, after some page. Improve this answer. This option is used in various methods such as page. It now returns the first visible element it finds. waitForSelector() method, requiring a CSS selector as a parameter. goto (5~15), all waitFor calls would stop responding (and eventually timeout). Is it possible? If not, please suggest some other alternative where I can delay my functionality based on the selector present in iframe. The right answer is to check an element size or visibility using page. waitForSelector(selector[, options]) and frame. waitForSelector('button', { hidden: true }); Custom Timeout. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; ElementHandle. waitForSelector('button[id="recaptcha-verify-button"]'); Have used puppeteer in the past in node, but for some reason, running into a problem on the sharp version. Edit: I've recently found that the input form is in and iFrame too. The issue that I have is that the page. hidden)'. I managed to get a the web scraper to scrape the websit In web automation, scrolling is a cornerstone for replicating user interactions within web pages. waitForFunction(), see explaination below. Could you maybe use page. waitForSelector() never ever completes whe An element is considered to be hidden if at least one of the following is true: the element has no computed styles. Maybe select [data-testid="fruit"] and block until it's disabled: page. I want to retrive the text of en element. list-element'); await page. When I call await page. The easiest way is probably to use page. For example, you can specify whether to wait for the element to become visible, attached to the DOM, or hidden. 11. 3. My code is as followings: const puppeteer = require("puppeteer"); (async () => { const The page. NOTE: Iframes are nested i'm trying to use puppeteer to log into a url, but it cannot find the inputs elements and the submit button, i believe the elements are generated dynamic by javascript, even tho i'm using the elements and the submit button, i believe the elements are generated dynamic by javascript, even tho i'm using the waitForSelector it doesn't work Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Puppeteer: Get DOM element which isn't in the initial DOM. optional. const products = await page. gov. I'm trying to grab the element that contains the value, but in case the comments are disabled for a video, that element doesn't exist at all and waitForSelector() waits, I think, for about 30 seconds before ending the program. Background: I wrote a puppeteer script that successfully searches for and scrapes the Steps to reproduce waitForSelector API docs include the following: hidden <boolean> wait for element to not be found in the DOM or to be hidden, i. Had to select all 'a. Note that waitForSelector returns the first matching element, so the code can be written as. Unforuntealy, this element is used to display a large amount of data, so in order for the element to be deleted, the client first needs The fact the <input> is type=hidden is not affecting how puppeteer interacts with the element as it is already in the DOM. Notably, this method includes a {visible: true} flag, instructing Puppeteer to wait until the element is present in the DOM Hidden − Puppeteer shall wait till an element locator is hidden from the page. How can I tell puppeteer to wait for that element for, say, 5 The optional Parameter in Arguments options are :. waitForSelector('. wb. querySelector('[data-testid="fruit"]'). await page. When page. In these cases, you may prefer the evaluate approach, or only partially converting the browser code to Puppeteer code on an as-needed basis for specific trusted events. type(). When we execute below line (this helps to wait till #username is visible) await page. The waitForSelector method accepts an optional options parameter to fine-tune its behavior: visible: Wait for the element to be present in the DOM and visible. I was under the impression that adding {visible: true} will Keep in mind that after that, you don't need to waitForSelector or any waitFor, because you already know that this selector is present, so just continue the program, as I did below: (Just for demonstration purposes, don't use it like this I use a module called Puppeteer. waitForTimeout is being removed from the Puppeteer API, which is a good thing. newPage (); let currentURL; page. setViewport method in Puppeteer is essential for resizing the page to fit different device dimensions. then(() => page. select() which causes dynamic images and fonts to load into the page. References #91. You can perform these actions in a sequence by using await inside the loop as well:. You actually saved from a huge headache I was having on v1. myclass', {visible: true, hidden: true, timeout: 5000}); 6 await page. " There are some particulars around innerHTML, innerText, and textContent that might give you grief. I imagine you know how many table rows are roughly expected, so you could use the following code: puppeteer waitForSelector and "none-existing" element. waitForSelector('#element', { visible: true }) The page. waitForSelector is used to wait for a specific element to appear in the DOM before proceeding. 1. If the timeout is set to zero, this is I'm scraping data from youtube and trying to get the number of comments. Making sure the element is not empty Puppeteer facilitates this process through its page. When the SPA is finished loading, a <div> element is added to the DOM. 15. We’ll discuss various web scraping techniques, including handling dynamic content and user interactions, monitoring network Sometimes the networkidle events do not always give an indication that the page has completely loaded. You should provide a function or a stringified function body. I am trying to automate login and scrape for some data, html tags on the web page doesn't have ID only classes. waitForSelector () 方法 | Puppeteer - Puppeteer 中文 I'm using Puppeteer for E2E test, and I am now trying to fill an input field with the code below: await page. waitForSelector(selector[, options]) fail. You can think of waitForSelector, waitForResponse and so forth as specialized common cases of waitForFunction. Defaults to false. Key Options for page. I need to wait for these requests to complete before executing the next action. see-more' elements which doesn't have 'hidden' class. goto, page. Puppeteer waits till selector element appears on page, i. Hot Network Questions What is a good way to DM searching for something? Formal Languages Classes Implementing a joint differential equation and eigenvalue solver @aslushnikov it passes when I pass that option, but only due to CSS visibility transition being enabled =) When I disable the CSS transition, it fails again. hover I wanna detect DOM changes on some loaded page (eg. Learn to master the 'waitUntil' option in Puppeteer for efficient web scraping. waitForSelector and page. See example - this returns Title/Price for 1st 20 books, but doesn't look at the other 49 pages of books. waitForSelector. <tr> If you want to make it real "puppeteer" way, take a look at this. The default value is 30000. calls because they thought they had to. If you use waitForSelector with visible: true option, Puppeteer will be wait for element to be present in DOM and to be visible, i. see-more:not(. product-list li . Is there any method to check an element's visibility in the viewport? Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company What is the status of this? The year is 2024 and we still need to test if the result of waitForSelector returns null. js version: 14. Here is some sample code that opens up ScrapingBee homepage and The page. waitFor() or page. There could still be a few JS scripts modifying the content on the page. waitForSelector to wait for the selector to appear - introduces polymorphic page. It doesn't matter if CSS files are loaded or not. 0 Puppeteer: waitForSelector followed by click is not working. This method is essential for ensuring that your scripts interact with elements only when they are available, reducing the chances of errors and improving the reliability of your automation tasks. e. click(); waitForSelector allows for more precise control over waiting conditions. Default value of this option is false. resolve is not a function, waitForSelector does not work for Managed to get further with the import script and managed to log in into the backend and move around and fill some inputs but got stuck on clicking on the "External Link" div element. 1 How can I wait for Puppeteer function to finish? 1 waitForSelector always timeout. It is sending one javascript. Promise. waitForSelector(selector); to . For instance, we write const puppeteer = require('puppeteer'); const wait = async () This patch fixes an issue where waitForSelector with visible:true would cause a timeout should there be multiple elements matching the selector, but the ones higher up on the DOM are hidden. Which you can work-around using a sufficiently loose XPath query with Puppeteer v1. Thanks for the response, but I am still having trouble accessing content on the new page. Finally there is one more click on another list element. npm i puppeteer-core # Alternatively, install as a library, without downloading Chrome. I tried waiting for a selector on my page that may not appear. Notably, this method includes a {visible: true} flag, instructing Puppeteer to wait until the element is present in the DOM Is there any way or Puppeteer API we can wait element to disappear or remove from Dom and then continue the execution? waitForSelector has a hidden option which also check if the element is in the DOM: await page. I do not want to use waitFor() as I don't want to give hard coded time. Wait for all elements matching selector to be hidden. list-element'); // click on the list element and list closes await page. Puppeteer sends JSON formatted messages to Chrome devtools to control chrome operations like accessing a page, typing in a textfield or click a button etc. 9. Each checkbox has the same id and name, but different values for value. Why does await page. In other words, it will work like . This const puppeteer = require ('puppeteer'); (async => {const browser = await puppeteer. waitForSelector is executed, I observe below messages are exchanged between puppeteer and devtools. hidden: Wait for element to not be found in the DOM or to be hidden, i. waitForSelector('div[class="smal See the Puppeteer docs: Puppeteer has event-driven architecture, which removes a lot of potential flakiness. When used, puppeteer will check if the style attribute visibility is not hidden and if the element has a visible bounding box. Save as mhtml will all the comments visible. But. Once the username is entered the next button is enabled, once I click on it, it shows a password field and once that's entered, it enables the next button again. js This time, the load event took 4. puppeteer wait for element disappear or remove from DOM. When hidden happens, for all intents and purposes, we should assume there's no css transition and the element has disappeared. When you click on another item the list does not have time to close. $$('. 7. You signed in with another tab or window. The optional Parameter in Arguments options are: visible: A boolean wait for element to be present in DOM waitForSelector is a function in Puppeteer that allows you to pause script execution until a specific DOM element on a web page becomes available or meets certain conditions. Since ESPN does not provide an API, I am trying to use Puppeteer to scrape data about my fantasy football league. waitForXPath have an option built in that checks if an element is not only present but also visible. Wait for the selector to appear in page. 12. 1547527073587" – ggorlen. It also gave enough time for the site to render a cookie banner at the top - great 😝. There's also a new locator API with auto-waiting. I tried many many things but it doesn't work. waitForSelector(selector Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company JavaScript API for Chrome and Firefox. waitForNavigation, and others to specify when the navigation is considered complete. 4. 0. mainFrame() and frame. This will pause execution until a specific element shows up on the page and indicates that the page has fully loaded. The selector has been copy-paste from the chrome dev tools, when I launch puppeteer headless There is an easy way built into the puppeteer library to check this. Just looking for guidance on how to overcome this I am making a webscraper in javascript (node) using puppeteer. One of the key options you can configure is the timeout, which specifies the maximum time to wait for the navigation to complete. waitForSelector(selector, {visible:false}); and. I am trying to use puppeteer in order to fill in a form and get the results. I have this data to scrape with puppeteer and need just to catch the score number (85) and show in the console log. By unconditionally including null in the return type, users have to either perform a check for I'm using "puppeteer": "^1. When load is not enough. tgdiih caej imgw ahore zzg fsrd aajxst copcju nxnuv epgoz