Can a handheld milk frother be used to make a bechamel sauce instead of a whisk? Increasing a 32T chainring to a 36T - will it fit? with Puppeteer. Orgmode: How to refresh Local Org Setup (C-c C-c) from keybinding? Puppeteer.launch for In puppeteer you can simply use multiple selectors separated by coma like this: const foundElement = await page.waitForSelector ('.class_1, .class_2'); The returned element will be an elementHandle of the first element found in the page. Next if you want to know which element was found you can get the class name like so: rev2023.4.5.43377.

rev2023.4.5.43377. or managing browsers yourself. Does HIPAA protect against doctors giving prescriptions to pharmacists that you didn't approve? Chrome/Chromium. Why doesn't the Puppeteer click function work in this website? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Next if you want to know which element was found you can get the class name like so: in your case a code similar to this should work: I had a similar issue and went for this simple solution: One step further using Promise.race() by wrapping it and just check index for further logic: Combining some elements from above into a helper method, I've built a command that allows me to create multiple possible selector outcomes and have the first to resolve be handled. Check puppeteer API Share Improve this answer Follow (or channel if it's :D. Yeah, I was confused being told it's deprecated but also the only way currently to wait for a specific amount of time is to use waitFor(1000). Sleeping on the Sweden-Finland ferry; how rowdy does it get?

Is this a fallacy: "A woman is an adult who identifies as female in gender"? Improving the copy in the close modal and post notices - 2023 edition. Also page.waitForSelector doesn't need to be in (async () => {..}, the way you have it in your code. How much hissing should I tolerate from old cat getting used to new cat? How to write 13 in Roman Numerals (Unicode). Multiple iFrames: block parent page until user finishes his job with the current frame, I want to move to new iframe perform some action and move back to current child nested iframe, Puppeteer , listen to network response changes, How to select elements within an iframe element in Puppeteer, best practice puppeteer waitForSelector or setTimeout, waitForSelector suddenly no longer working in puppeteer. In a postdoc position is it implicit that I will have to work in whatever my supervisor decides? For example, page.waitForSelector(selector[, options]) might fail if the selector doesn't match any nodes during the given timeframe. Improving the copy in the close modal and post notices - 2023 edition. ]wEv!=/=/L^|0 *"d{kft= 9eUV4*"",?$_x !o$(L]~o_{lWQHRIbtTe=haPR4N'{T6e*M3WU4OKI@IsV=Gfog`Ek7nZ?y{8;uHP["T# ZMTG"e*/aap)7djL]u*j)Z7j[]:%TD dL51+P J!TjDJh&,RT4*HjUn9c!pm29t/M1)%H. Puppeteer will be familiar to people using other browser testing frameworks. calling the function as the example below: though I have not preformed any tests on it yet, it seems functional. If the list of URLs is more than about 5, it freezes my server and I have to reboot. I have a Puppeteer script where it iterates through a list of URLs saved in urls.txt to scrape. Should I (still) use UTC for all my servers? How to fix npm throwing error without sudo, How to create a directory if it doesn't exist using Node.js, Using Node.js require vs. ES6 import/export. To use it, you just have to call and provide an array of Possible Outcomes and their selectors / handlers: I just started with Puppeteer, and have encountered the same issue, therefore I wanted to make a custom function which fulfills the same use-case. so what is the new way to use it? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. have display: none or visibility: hidden CSS properties. Url's opening/closing too quickly and not waiting is probably the problem that you have while iterating through the urls, changing scrapePage(lines[i], i + 1); to await scrapePage(lines[i], i + 1); should solve that. Is all of probability fundamentally subjective and unneeded as a term outright?

m^m pD KT7$s]ym'WlqvYg. We can ask teams in different countries to do it but there will be no mechanism to ensure all code are updated before it's finally removed unless we write some script to check it. Is all of probability fundamentally subjective and unneeded as a term outright? Puppeteer creates its own browser user profile which it cleans up on every How can I elevate the privileges of an executable using setuid on Mac? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. protocol. waitForSelector waitForFunction waitForXPath Add waitForTimeout. Sign in Find centralized, trusted content and collaborate around the technologies you use most. another, if i comment this lines of click function: the browser pages will be hanging and not end, its confused for me. Can you travel around the world by ferries with a car? Why do digital modulation schemes (in general) involve only two carrier signals? Do you observe increased relevance of Related Questions with our Machine function that returns an array of 4 int taking the values 0 or 1 and that randomly returns one 1, then two 1s, then three 1s. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Making any of the elements exists You can use querySelectorAll and waitForFunction together to solve this problem. Using all selectors with com By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Is R-Language more simplified to use than SQL?

For a version of Puppeteer without the browser installation, see waitForSelector seems to wait for only one at a time, while waitForNavigation doesn't seem to work because it is returned using Ajax. Webpuppeteer is a product for browser automation. To learn more, see our tips on writing great answers. npm i --save puppeteer --ignore-sc puppeteer recorder puppeteer. Plagiarism flag and moderator tooling has launched to Stack Overflow! Further extending it to: let res = await Promise.race ( [ frame.waitForSelector( ".selector1 ).then( ()=> { return 1 } ).catch(), frame.waitForSelector( ".selector0" ).then( ()=> { return 0 } ).catch() ]); you can also know which selector triggered. will not download Chromium when installed. Check out the changes I made below, it now seems to work. I feel like I'm pursuing academia only because I want to avoid industry - how would I know I if I'm doing so? An alternative and simple solution would be to approach this from a more CSS perspective. Please don't remove waitFor. If you want to wait for a number of milliseconds to pass, use page.waitForTimeout(1000). installed in a standard location). timeout: maximum time to wait for in milliseconds. Being an Any way I can repro locally? DevDocs Puppeteer documentation DevDocs requires Why are purple slugs appearing when I kill enemies? The only unique behaviour waitFor provides is calling it with a time: waitFor(1000) does exactly what you expect. urls.txt - random urls to test the code - stackover5flow is there to get an error.

These classes are available via require('puppeteer/Errors'). Puppeteer to your account. See also Wait for first visible among multiple elements matching selector if you're interested in integrating the {visible: true} option. Sign in Thank you so much, this solved both problems. rev2023.4.5.43377. headless mode. Puppeteer runs in You can iterate over page.frames() till the right iframe is found and then use frame.waitForSelector(). Why are charges sealed until the defendant is arraigned? describes some differences for Linux users. puppeteer-core is a library to help drive anything that supports DevTools python php nodejs nodejs J Q-Npm Npm Blog , , Copyright 2013 - 2023 Tencent Cloud. An alternative and simple solution would be to approach this from a more CSS perspective. waitForSelector seems to follow the CSS selector list Find centralized, trusted content and collaborate around the technologies you use most. Does someone know what the future of the TypeScript Types are? Uniformly Lebesgue differentiable functions, Novel with a human vs alien space war of attrition and explored human clones, religious themes and tachyon tech, What was this word I forgot? Now this will only return true if there is some element, it won't return which selector matched which elements. For more in-depth usage, check our guides Being a library, puppeteer-core is fully driven through its create some Explicit, dedicated APIs > generic overloaded APIs (even if you don't consider TypeScript). Find centralized, trusted content and collaborate around the technologies you use most. Looks like we don't force-create execution contexts in certain cases in Chromium. @nfwyst this is a nasty bug. I was having a problem like this with Puppeteer v1.12.0, after some page.goto (5~15), all waitFor calls would stop responding (and eventually timeout). jQuery selectors on custom data attributes using HTML5, Switch statement for multiple cases in JavaScript, best practice puppeteer waitForSelector or setTimeout, Puppeteer: how to wait only first response (HTML), puppeteer waitForSelector and "none-existing" element. After adding the configuration file, you will need to remove and reinstall Can you travel around the world by ferries with a car? puppeteer for it to take effect. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. page.waitForSelector timeout & ExecutionContext.evaluateHandle hanging, await page.content() is hanging without a response, Sometimes the function page. pages, and then manipulate them with When installed, it downloads a version of Chromium, which it then drives using puppeteer-core. Puppeteer-WaitForSelector() , I have to use this function with a selector present in nested iframe.

Puppeteer timeout error while using waitForSelector(). Improving the copy in the close modal and post notices - 2023 edition. waitForSelector is timing out because the way your code is executing, it never waits for search input to load.

PuppeteerNodeAPIDevTools ChromeChromium node install.jspuppeteer Making statements based on opinion; back them up with references or personal experience. page.$(selector) will return the result immediately without waiting. Xdlcdsa23w}PR4uNn81F @A?v?Mv7Y 3k15Xf;x L+5D.n\60RMa)'DZi=P(?$*VVu2=.kKv^R9|MbmBiHV.CcG(e@-8(2N.cz8d~AE4RRt2Jgl&U00 I have 2 issues: If one of the URLs in the list times out, it stops the whole process. One step further using Promise.race() by wrapping it and just check index for further logic: // Typescript To launch a full version of Chromium, set the Thanks @jackfranklin for the suggestion. * @type {import("puppeteer").Configuration}. Webwkhtmltopdf puppeteer Azure Linux Web []wkhtmltopdf or puppeteer in Node on Azure Linux Web App 2021-02-23 21:19:07 1 145 node.js / azure / pdf / puppeteer CK DevOps Connect and share knowledge within a single location that is structured and easy to search. Thanks for contributing an answer to Stack Overflow! Puppeteer NodeAPI DevTools ChromiumChrome Puppeteer PDF SPASSR UI To learn more, see our tips on writing great answers. So waitForSelector will not work if there are too much navigations.

I'd suggest trying to migrate slowly to prepare yourself for when waitFor is removed, but rest assured you have time on your side . WebFrame.waitForSelector () method | Puppeteer Frame Frame.waitForSelector Version: 19.7.4 Frame.waitForSelector () method Waits for an element matching the given selector to how about using Promise.race() like something I did in the below code snippet, and don't forget the { visible: true } option in page.waitForSelector() method. If at the moment of calling the method the selector already exists, the method will return immediately.

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