- Puppeteer select nth element Follow edited Mar 14, 2021 at 12:51. This approach seems too complicated. Write better code with AI GitHub Advanced Security. puppeteer return value that is selected in dropdown. evaluate( async => { let elements = document. I'm not are why. OP needs to show a minimal reproducible example of the page and the code to get reliable help without answerers making guesses. click) and getting textContent of one of the elements when there are several dynamic elements with the same selector? (In my case, I have 4 elements with the same selector = [data-test-foo4="true"]) I know, that with: 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 Where: //: Select any descendant in the document. grid-item-container > . Related Cheerio web scraping questions: Steps to reproduce Tell us about your environment: Puppeteer version: 5. Querying Elements in Puppeteer. For example, to target all elements with the type attribute set to “text”, you can use the following selector: const element = await page. evaluate and page. Explore methods to retrieve text from elements in Puppeteer, enhancing your web scraping skills. $. evaluate(() => { Array. js; puppeteer; Share. The tr:nth-child(2), means that it will only select the second row in the table. Hot Network Questions If an illegal move is made, can the opponent enforce In the context of web scraping, especially when you need to perform Puppeteer get element text operations, it's often necessary to pull out text from elements like paragraphs (<p>), const button = await page. g. It's convenient and the function is shorter this way. Problem: Selecting (page. values. About; Products OverflowAI; Stack Overflow for Teams Where developers & technologists share private knowledge with With regard to this part of your question "Or even better; how to click an element with a specific innerHTML. click ();. But I cannot set the value. So look for one of those since they should exist. Text selectors will select "minimal" elements containing the given text, The selector '#leftNavContainer ul:nth-child(0n+1)' doesn't match because the div needs id=leftNavContainer. How to select inner text of cousin using puppeteer. column-id I can identify all cells of column 1 (checkboxes) in my table via css selector . Goal: I have several checkboxes and I need to select the second one using Puppeteer. nl' option without any scrolling with the following script: Here, all the li elements have the same class sample1 and neither do they have any distinct id or such attribute. You would typically do: let iframeHandle = await page. $('#disneyid-iframe'); let frame = await iframeHandle. Returns Task<IElementHandle> A task that resolves when element specified by selector string is added to DOM. Selecting dropdown option with puppeteer. goto(url, { waitUntil: 'networkidle2' }); // Go to webpage url await page. I'm having trouble finding a way to iterate subnodes of a given node in puppeteer. You just have to give it the value to select. You can use Chrome Developer Tools to find the CSS Selector page. This is because of the nth-child selector. dropdown__list > div:nth-child(8)'); UPDATE: It looks like the problem in the viewport because it works correctly and selects the '. Find and fix vulnerabilities Actions. 2. It is not because the automation tool has a limitation, but puppeteer provides all the operations as functions that you need without requiring the If the <option> elements don't have a value attribute then the value will be defaulted to the text. In its simplest form, waitForSelector can be used to wait for an element with a specific CSS Here, { visible: true } ensures that Puppeteer waits for the element to become visible, but you can tailor this condition based on your requirements. Let’s explore how to #概要puppeteerでの要素の取得のための関数はpage. Puppeteer harnesses this reliability, offering multiple ways to select an element by its ID, each suited to different tasks. In this section, we dive into the initial steps of setting up Puppeteer in your development environment, preparing the stage for dom-focused operations such as selecting elements by their ID. : Setting Up Puppeteer for Element Selection. 5. Is there possibility to do that? Use the XPathAsync method in PuppeteerSharp package in your next Puppeteer-sharp project with LambdaTest Automation Testing Advisor. Previous Quiz. The `//` operator will select all elements that match the expression, regardless of where they are in the document. Playwright is a new e2e automation library, which is currently gaining a lot of attention and tracking in the e2e automation market. It allows you to enhance your selectors with Puppeteer-specific query engines such as XPath, text queries, and ARIA. After that you can switch to the "Console" tab and with the Chrome api you are able to test the selector's content, so you can prepare it for your puppeteer script. const inputValidate = await page. select('#colors', 'red'); // single selection. Follow asked Jan 30, 2020 at 0:33. When you want to select the last element in a list using XPath, you can use the last() function provided by the XPath 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 This is a list of buttons for a paginated navigation element and I would like to get the innerText properties for each element so I can access the page numbers, but only the onClick event handler property is accessible. Optional waiting parameters. evaluate + (querySelector|querySelectorALL)page. 选择所有提供的选项后，触发 change 和 input 事件。如果没有 <select> 元素与 selector 匹配，该方法将引发错误。 ¥Triggers a change and input event once all the provided options have been selected. Even if the guesses happen to be correct, it's of little use to future visitors without a reproduction of the 纯css绘制倒过来的等腰梯形的样式。而且可以把梯形的背景色调整为无色。可以接受复杂代码（比如布局复杂，单个div单个css样式是无法完成，需要多个div搭配多个样式），但是至少满足以下要求（1）可以调整边框的颜色 For example, you can write a selector like . For this, our first job is to identify the element. select adds the selected attribute to the element. But I need to virtual D The problem is that not all tr are having the child elements you are expecting. For example, . Maybe I can do mouse. querySelector within the page. 👍 1 amine0909 reacted with thumbs up emoji All reactions Right click on your desired element and click inspect element. textContent); // grab the textContent from the element, by evaluating this function in the browser context Page. waitForSelector('#did-ui-view > div > section > section > form > section > div:nth-child(1) I am trying to use in Puppeteer. querySelector('#select_id option:nth-child(1)'). click('span[text=dummy]')); DOM ¥Puppeteer extends the CSS syntax with custom pseudo-elements that define how to select an element using a non-CSS selector. Thanks for your answer. Puppeteer runs in the headless (no visible UI) by default. hover() method. Use the SelectAsync method in PuppeteerSharp package in your next Puppeteer-sharp project with LambdaTest Automation Testing Advisor. Any help in getting the default document. It is not because the automation tool has a limitation, but puppeteer provides all the operations as functions that you need without requiring the 2. 15. $(selector) method, where selector should be a CSS ID selector (prefixed with a hash ‘#’). If you right click on an element in Chrome DevTools "Elements" tab and you select "Copy": there you are able to copy the exact selector or xpath of an element. selector. 此类的构造函数被标记为内部构造函数。 Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. {274 throw new Exception($"Expected at least {index + 1} elements to be found but {elements. click find it. qty tbody tr td:nth-of-type(1) span" If you use page. /: Narrows down the selection to direct descendants (children) of the preceding node. It's all too easy for JS to slide a new element in the chain unexpectedly or change a single class or id and the whole thing falls apart. s-item") for (const item of items) { list. Commented Nov 5, 2022 at 22:37. waitForSelector('. $('. The value returned indicates whether the I wanted to share an effective method for selecting elements in Puppeteer, as it has worked well for me. select() method. Get started | API | FAQ | Contributing | Troubleshooting Installation 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 I am trying to select this element with puppeteer: , using this code: const items = document. Maybe the :nth-child() selector? I don't know what's your case, so I can't really suggest a more specific approach. Playwright: How to select element You can use the elementHandle. getElementById("inputID"). 7. Get access to 1,000 free API credits, no credit card required! I'm using for first times Puppeteer and I have this code to click on a certain element: await page. It seems like your component would need to expose an API to programatically change the value. So let's say you were trying to get a similar element here waitForSelector fail to find element but page. qu This is what ended up fixing it for me. For multi select list you can use: page. Next we'll discuss some of the usage of the waitForSelector method in Puppeteer. 6 URLs (if applicable): - Node. Go to the site, click any link under 'Form and Files' and in the popup, You can find the XPath of a button or any element using the code inspector. Unlike other automation tools, getting an element in puppeteer a bit difficult and also Limited. Use puppeteer to select by text. querySelectorAll(". Viewed 57 times nth-child(2) > div > div:nth-child(3) > strong'). Now we will access page elements by various kinds of puppeteer methods. Try to That's because the selector is not correct. Example: const elementHandle = await page. Firstly, the browser-generated hyper-specific selectors should usually be avoided. etmCursor tr td". js的开源库，它提供了一个方便的方式来控制Headless Chrome或Chromium的API。 阅读更多：HTML 教程 Puppeteer简介 Puppeteer是由Goog Note: p:nth-of-type(2) is used to select the second paragraph element. evaluate. 类型. so first you need to get the frame and then select the element from that frame. evaluate获取元素 在本文中，我们将介绍如何在Puppeteer中使用page. Length} were found"); 275} ("#J depends what you want to do, but this is one of ways to get index of element as well as Element (specific td in your case). click() // I want to do @HeikoTheißen do you have a runnable, complete example? I don't think page. Puppeteer: how to foreach every button class and click if specific class name found. click('ul#sl_general:nth-last-child(2)') // valid selector I recommend reading more about selectors on MDN. " There are some particulars around innerHTML, innerText, and textContent that might give you grief. The name of the class is . In this code, we achieve this using iframeElementHandle. You should be able to achieve this HTML page element access by puppeteer. Using puppeteer get a selector from an input label. This can help you to avoid selecting multiple elements. dropdown__field'); await page. The problem is not to change my selector (I already do it) but a selector provided by google chrome element inspector itself don't always works in puppeteer . Something like this: I can identify all cells of column 2 in my table via css selector . waitForSelector('elementInsideIframe'). I can't A. textContent; }); If usedLicenses is not 0, I then wish to loop from 1 to whatever the value is to return some further info using this selector which will return an array. after that, you can switch to the I tried following code. I do not know the html structure beforehand, just the id of the parent element. So you should try to target the DOM node directly instead. ", exception. Using querySelector to get an element, how do I extract the xpath value of that element? await page. select(’#select_01’,‘4’);函数，第一个参数是下拉框的定位，第二个参数是下拉框选项的value值 While this code may solve the question, including an explanation of how and why this solves the problem would really help to improve the quality of your post, and probably result in more up-votes. Here, we are using the selector 'body:nth-child(3)' to find the submit button, but this is tightly bound to exactly this version of the For programming these functionalities, Puppeteer first requires to locate the element on which it has to click or type etc. How can my code be optimized for 100% reliabi Puppeteer also supports more advanced CSS selectors, including those with multiple classes and pseudo-classes. The key step here is waiting for the iframe to load. What I am trying to do is just trying to select the last radio button from the following list and then trigger he button shown in the image. querySelector('table tbody tr:nth-child(3) td'); // select thrid row td element like so Anyway, the problem is the same: div ul:nth-child(2) li:nth-child(1) won't work it seems nth-child isn't supported. Selecting elements by text content; Using advanced techniques to get element. evaluate to manipulate DOM as you see fit:. The elements/checkboxes have a HTML data page of data-test="bar". Puppeteer - select element with multiple selectors. Check if element exist and get attribute. However, I am having a hard time trying to login using puppeteer due to the login form being nested with an 范围. Puppeteer select link in nth child of table cell. Search. map and then use more selectors for each individual item you want. $$('. Get Element const button = await page. When navigating to Puppeteer’s website, the title element is evaluated as an empty also :last-child(2) is not a valid pseudo-class in CSS, you wanted to use :nth-last-child(2) or simply :last-child. Secondly, waitForTimeout is almost This might be a Obvious question but , Say i have this element HelloPuppeteer I use var a = page. click(x, y) and then get clicked element but I don't want page to take any actions just get the query of the element. I have the following two css selector for same object, div:nth-of I am trying to click on the link, which contains a text inside the span Code i tried page . select-item. Here's a useful site: devhints. js version: 8. So mastering CSS selectors is a must for any competent web scraper. Try something like this: await page. The Puppeteer supported pseudo-elements are prefixed with a -p vendor prefix. To achieve my goal i'm trying to implement this code in puppeteer: . select() 方法 ¥Page. Provide details and share your research! But avoid . Improve this question. By the looks of your selector, I can see you don't have a lot of experience with selectors. FormData')[46] – Konrad. document. click('button[aria-label="upvote"]') Puppeteer - select element with multiple selectors. FormData:nth-child(46) or document. There's no such function as text() function on HTMLElement - but you can use . We would like to show you a description here but the site won’t allow us. In Puppeteer JS, WebdriverIO, Playwright and Protractor we can use an The element we are targeting is the 89th square specifically. Puppeteer provides a few ways to use CSS selectors to find elements: page. Follow our examples and learn effective web scraping techniques. The table below provides a brief overview of them. Text selectors (-p-text) . class1. querySelector(`[data-action-trigger*="btn1"]`) <button data-action-trigger="btn1">Button text</button> Selecting element from DOM with Puppeteer and Node. io/css. textContent better to fetch element's text. 在select标签的id属性为countryList的里面，有很多国家对应的value值。注意，是select属性下面的option的value值。笔者再补充一点，puppeteer的python版本pyppeteer里，其他环境需要再稍微修改调整，不过大致实现思路是一样的。：这里的#countryList为ID属性为countryList，因为这里仅有唯一的一个ID属性为countryList。 selector string. You switched accounts on another tab or window. Consistency is all over the place; running !headless, I watch it sometimes work, sometimes it doesn't (like types in wrong data), it's really 50/50. evaluate方法获取HTML元素。Puppeteer是一个基于Node. evaluate does not work directly with DOM, but I follow several examples Feature description Shorter interface for getting text of an element Why ? For people using puppeteer for web scraping, it is really common to get the innerText of elements. Puppeteer: how to focus on element with XPath. This way I'm able to get the number of followers defined as a parameter. 4 What steps will reproduce the problem? I am selecting an option from dropdown and this sends a network The screwed up selector of date and time is: #knowledge-finance-wholepage__entity-summary > div > g-card-section > div > g-card-section > div. So, assuming you have an in your : page. Still not able to select the DOM Element itself though. Well if you check the website and use the inspector you'll find 22 different instances of FormData. 这里不一一演示了，演示主要的，比如子级，如图，我们想登入，但是登入没有id,也没有class, 那我们试试其他方式，往父级看， I am able to select the element Chrome devTools as. P elements are pseudo-elements with a -p vendor prefix. 2023-11-06 by @tim & @ChatGPT. Whether we need to extract information, input data, or trigger events, selecting elements by ID is a fundamental part of web automation with Puppeteer. from( document. For all we know, this whole screenshot is buried in an iframe or a shadow root. launch({ executablePath:'D:\\wangxiao\\chrome-win\\chrome-win\\chrome. In your second example, if you wanted to click the 2nd li in the 3rd const puppeteer = require('puppeteer'); (async => { const brower = await puppeteer. $/$$ both take a css selector. How to get speciffic element to <dl> using querySelector in puppeteer. $$(sElements); // I get an array of ElementHandle The selector is working as in Google Chrome developer tools it captures exactly the 3 elements I am looking for. This method retrieves the first element It allows you to enhance your selectors with Puppeteer-specific query engines such as XPath, text queries, and ARIA. After loading the page we start a while loop using page. You can use pseudo-classes like :hover, :focus, and :nth-child to refine your selections: ¥If you're using TypeScript, ElementHandle takes a generic argument that denotes the type of element the handle is holding within. Technical insights and practical examples included. contentFrame(); Puppeteer - Element Handling. select-element[name=select]'); await page. I understand page. zadubz zadubz. Then you can loop through them with . We‘ll cover the selector syntax, You can do something like this to get the data: await page. var elemId = "myelemid"; const 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; I need to collect all h1 tags and then pop the first and last ones. $('div#foo iframe'); const frame = await elementHandle. title and expect it to work on Chrome, Firefox, Edge, Safari, and more. It creates a dependency on a lot of DOM elements (the parent nodes for the root element). select('#colors', 'red', 'green', 'blue'); // If the ID is changing, you may need to use a different way to identify the element on the page. FormData and it returns 22, not 70 instances, sorry. grid-item > . If no value attribute is included, the value defaults to the text contained inside the element. select(’#select_01’,‘4’);函数，第一个参数是下拉框的定位，第二个参数是下拉框选项的value值 How to select the last element in a list using XPath in web scraping? XPath (XML Path Language) is a powerful language for selecting nodes from an XML document, which is also commonly used with HTML for web scraping purposes. So you should first filter your array to sort the other elements out. I select the last element in the div at each iteration which triggers a scroll into view. 要查询页面的 selector。 CSS 选择器 可以按原样通过，并且 Puppeteer 特定的选择器语法 允许通过 text、a11y 角色和名称、xpath 和 跨影子根组合这些查询 进行查询。 或者，你可以使用 prefix 指定选择器类型。. QuerySelectorAllAsync("css_selector_here"); // Example: Find an element with the id 'submit-button' var submitButton = await Since ESPN does not provide an API, I am trying to use Puppeteer to scrape data about my fantasy football league. CalendarMonthGrid > :nth-child(1) > div > table > tbody > tr'); rows. options WaitForSelectorOptions. e ¥If you're using TypeScript, ElementHandle takes a generic argument that denotes the type of element the handle is holding within. The thing is, that entry page in question doesn’t render a title meta element: Evaluating the title meta element. querySelector to work would be much appreciated, since Essentially, I am trying to get Puppeteer to find an element on this page by its attribute data-form-field-value which must equal 244103310504090. My code: const listing = await page. div: Represents the node name, specifying a div element. $(‘input[type=“text”]’);. Reload to refresh your session. 2k 13 13 gold badges 86 86 silver badges 142 142 @sean-hill By firing the change event manually. value = "") However sometimes just manipulating a given field might not be enough (a target page could be an SPA with event listeners), so emulating real keypresses is preferable. You'd need to start with the node, get its ancestor Learn how to use Puppeteer to get element attributes effectively. Retrieve data from elements with puppeteer. For example to click the above element, assuming it is a link, the following code can be used. We'll look into how to properly install Puppeteer in your project, launch browsers, open pages, and some best practices to adhere to This selector string can be used within Puppeteer to select/interact with elements. 1 Platform / OS version: Mac OS X 10. Commented Nov 16, 2022 at 18:29 @HeikoTheißen this way not works. click('. contentFrame() function to return a frame from an element handle. Which you can work-around using a sufficiently loose XPath query with Puppeteer v1. This function effectively halts the execution of further code until the specified selector is I want to click an object using css selector on puppeteer, I am using device emulator(iphone X). $(". Thanks ahead of time! Unlike Cheerio that parses tree itself and implements Essentially, I am trying to get Puppeteer to find an element on this page by its attribute data-form-field-value which must equal 244103310504090. I had to inspect the element and copied the selector for the radio button which was #sp_formfield_inbound_enquiry_type > div > div:nth-child(8) > label > input. How common ? This question on StackOverflow has gathered 121'00 This release of Puppeteer also ditched the waitForXPath method. Learn how to set up and run automated tests with code examples of XPathAsync method from our library. Navigation Menu Toggle navigation. While these selectors offer enhanced capabilities such as deep combinators and text selection, they come with certain limitations that developers need to be aware of. $$ and page. page. ~ MDN. As far as React goes. Instant dev environments Issues. var selector = “#description > yt-formatted-string You signed in with another tab or window. $$ selects all elements that match the selector, so you don't need to use a for loop. 1 Platform / OS version: Windows 10 Node. Automate any workflow Codespaces. Just like . Also the cs variable is filled with an array of three elements. contentFrame(); let inputElement = await frame. I implemeted it here: The page actually has that element and I went through page. select-element[name=select] > option[value="123"]'); And I set the value with page. calendarDateNormal" and So my goal here is to count the number of children of a div class that has inside it multiple div's; I do that by selecting the div then using the children attribute, and then I count the children with their length property and print it. Selecting element from DOM with Puppeteer and Node. Get started | API | FAQ | Contributing | Troubleshooting Installation I would like to get elements query selector by passing x,y coordinates. This method will execute document. . Sign in. value }) // I got over the issue using the . Following the Puppeteer docs, I can do the following to get the count of the elements found with puppeteer, I want to select all the text inside an element and then paste text in to it like a user would do with `cmd + a` `cmd +v`, OpenPrompt. QuerySelectorAsync("css_selector_here"); // To select multiple elements var multipleElements = await page. Conversations Pricing. Playwright selecting element with text= or hastext with exact match. Message); 73} 74 [PuppeteerTest("page I got over the issue using the . I do run my code in node. Then right click and click Copy > Copy selector This will give you a unique selector for that specific element. Learn how to set up and run automated tests with code examples of SelectAsync method from our library. If no element is found it will To select an element by its ID, Puppeteer provides the page. I can identify and click the selector #sicherheitButtonId, which corresponds to the button shown on the image. Also that's why I'm confused with getProperty not being defined on the JSHandle. That is why we use the :nth-child(89) query selector. querySelectorAll( "#__next > div> main // To select a single element var singleElement = await page. results . querySelector to work would be much appreciated, since much of Puppeteer's functionality rests on it. 11. For example, if you have a handle to a <select> element, you can type it as ElementHandle<HTMLSelectElement> and you get some nicer type checks. innerHTML }); For more complex expressions, you could also make There are a couple of ways that you can select elements using CSS selectors in Puppeteer. 1. 11. Puppeteer drop-down menu not of select type. Contains("Element is not a <select> element. Skip to main content. You can replace it with any other appropriate selector. comp: Binary function that accepts two elements in the range as arguments, and returns a value convertible to bool. querySelectorAll('. nth-child(n) 灵活运用 . scrape"); My question is how do i Right click the element, and select “Copy selector”. evaluate( => document. There's likely no need to query a separate 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 void nth_element (RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp); Here, the first, last, and nth arguments are the same as in the previous case. For example, to target all elements with the type attribute set to “text”, you Learn how to effectively use Puppeteer p selectors for web scraping and automation. CSS selectors read right to left. Using NodeJS/CucumberJS/Puppeteer to build end-to-end regression test for an emberJS solution. To get the property of an Did you know? If you right click on an element in Chrome DevTools "Elements" tab and you select "Copy": you are able to copy the exact selector or xpath of an element. Predicates can be used to select elements based on their attributes or their child elements. E. Ask Question Asked 4 months ago. Asking for help, clarification, or responding to other answers. querySelectorAll( "#__next > div> main I can identify and click the selector #sicherheitButtonId, which corresponds to the button shown on the image. wGt0Bc > div:nth-child(1) > div:nth-child(3) > span. P-elements . querySelectorAll(selector); for (let element of elements) { let elementXpath = element. Puppeteer uses a superset of the CSS selector syntax for querying, known as P selectors. Stack Overflow. click the second element [1] of the returned array, but that's failing. then(() => page. Add Guide to Using waitForSelector. Select an specific option from Dropdown Menu without values using Puppeteer. Puppeteer is a JavaScript library which provides a high-level API to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi. evaluate(() => { return document. I can provide a more complete sample if needed. evaluate(() => { const element = document. Such as ". select() method, which does exactly that. I am able to select the element Chrome devTools as. const rows = await page. push( Tired of getting blocked while scraping the web? ScrapingBee API handles headless browsers and rotates proxies for you. If I try to clic Skip to content. querySelector(`[data-action-trigger*="btn1"]`) <button data-action-trigger="btn1">Button text</button> javascript; node. 3. with puppeteer, I want to select all the text inside an element and then paste text in to it like a user would do with `cmd + a` `cmd +v`, 0. scrape"); Now , variable a holds a Element Handler returned from page. T J. I've tried to use nth-of-type to select the second, third, and fourth table, but I receive the error: "Error: Error: failed to find element matching selector "table:nth-of-type(2) > tr"" Removing > tr returns a similar error: "Error: Error: Puppeteer select link 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 You signed in with another tab or window. You signed out in another tab or window. $ ('body:nth-child(3)'); // problematic selector await button. class2'); Pseudo-Classes. Here, we are using the selector 'body:nth-child(3)' to find the submit button, but this is tightly bound to exactly this version of the A table within another table. XPath 选择器 (-p-xpath) ¥XPath selectors (-p-xpath) XPath 选择器将使用浏览器的原生 Document. map((trNode, index) => { // here you have access to your node + index of it }); HTML 在Puppeteer中如何从page. div[class*="class1"]>div -> do some action javascript; jquery; reactjs; unit-testing; puppeteer; Share. Then, on the Inspector panel, right-click your desired element, and click on Copy > XPath: On closer look, I don't think it's trivial to replicate what shadow dom piercing in querySelector gave us. I am pretty sure I'm just missing a little piece of puzzle here, but man this is so confusing especially the p-selector which seems just overcomplicated to me. waitForSelector('button[aria-label="upvote"]') await page. Puppeteer uses a superset of In this comprehensive 4,000 word guide, I‘ll teach you how to leverage CSS selectors within Puppeteer to find and interact with elements on a loaded page. querySelector(selector). 43. $('input[value=validate]'); await inputValidate. You should google the MDN selector and read the page how to write a 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 Similar to the previous section, we select the iframe using a CSS selector. sElements = ' span'; // I declare the selector. newPage(); Using Attribute Selectors: You can use attribute selectors to target elements with specific attributes. The code works in devtools console, but not in my Node app. waitForSelector('span[text=]') . click(). This guide covers methods and examples for retrieving attributes in web scraping. – ggorlen. I wasn't aware that someone would run puppeteer in browser, so I didn't specify it. js version: 14. Commented Nov 16, 2022 at 19:36. $(selector) Finds the first matching element Puppeteer + NodeJS 操作本地文件（很多案例） Puppeteer 模拟鼠标移动，触发网页弹窗 Puppeteer 将浏览器窗口设置最大化，全屏 TimeoutError: Navigation Timeout Exceeded: 30000ms exceeded Puppeteer Puppeteer. This might be because of a td tag with a colspan. did you know? if you right-click on an element in Chrome DevTools "Elements" tab and you can select "Copy": there you are able to copy the exact CSS selector or XPath of an element. 72 Assert. Main Website. Sign in Product GitHub Copilot. cs = await page. $eval('table tr td:nth-child(2)', el => { return el. Master the art of getting element attributes in Puppeteer. Looks like fun. 0. If there's no <select> element matching selector, the method throws an Keep in mind that if there are two elements that match the text condition, Puppeteer will select the first element in page hierarchy, thus this method is quite limited unless you are aiming to click specific unique text. textContent. These methods are fundamental to automating web tasks, extracting data, and enhancing your web automation skills. XPathAsync(string) . 0 What steps will reproduce the pro According to the following screenshot provided, I got stuck with an issue where I cannot select one of the a radio button from the list since all radio buttons having the same id. Remember that you are answering the question for readers in the future, not just the person asking now. hvc2 pb-3 means you are trying to select the element whose tag name is <pb-3> that is the descendants of the element with a classname hvc2. This is the HTML code to the button: <section Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 18. Puppeteer Click Method: Button Click. grid-table-container Anyway, it turns out that Puppeteer’s website has an entry page, which immediately redirects us to the well-known website’s index page. Next We can handle elements on page with Puppeteer. TgMHGc > span:nth-child(2) It is possible to select elements based on their specific attributes (including aria attributes) with Attribute selectors: await page. 1,301 2 2 gold badges 21 21 silver badges 36 36 bronze I want scrape data from one website from listing. You can use :nth-child like this: const value = await page. 此类的构造函数被标记为内部构造函数。 the element is in an iframe. string[] 要选择的选项的值。如果 <select> 具有 multiple 属性 解析： 1、最重要的是第10行，使用page. Error: Error: failed to find element matching selector ". I there is no action on the page before the click. Basic Usage. Now that I'm thinking about it, it might be the code, that runs in browser emulator instantiated by node, so perhaps that's why the functions 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 How to click on element from select list with puppeteer. Plan and track work Code Review. Try ". evaluate((selector) =& Skip to content. trim (); Puppeteer will then locate the element That's just a guess (albeit a good/reasonable one). item-table > . I know the common methods such as evaluate for capturing the elements in puppeteer, but I am curious why I cannot get the href attribute in a JavaScript-like approach as const page = await browser. This is the HTML code to the button: <section 使用puppeteer查找元素可以用page$(selector)或者page$$(selector),两者的区别是：如果selector匹配到多个页面元素，那么前者是取第一个页面元素，后者是取出所有页面元素。获取元素后对元素进行操作有两 Any help in getting the default document. Use the `//` operator to select from the root of the document. 1. If you have errors like Error: Evaluation failed: TypeError: Cannot read property 'click' of null probably the element you wanted to click isn't on Learn how to retrieve the text content of elements using Puppeteer with this comprehensive guide on getElementText functionality. Resolves to null if waiting for hidden: true and selector is not found in DOM. click('selector'); or let element = await I would like to know if I can tell puppeteer to wait until an element is displayed. This means Unlike other automation tools, getting an element in puppeteer a bit difficult and also Limited. Model: gpt Puppeteer. waitForSelector('your selector'); // select the element const value = await element. evaluate() you're switching the context from node puppeteer to browser, so you have to use JS native functions like click: document. value='whatever' is doing. But, sometimes it is even hard to 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; In this guide, we discussed how to effectively work with Puppeteer to capture the page source HTML, extract specific elements, and handle Javascript-reliant web pages. I faced a similar issue and solved it with that method (using page. But then I am trying so you can use the following CSS selector to grab the exact row: tbody > tr:nth-child(${wantedRowIndex + 1}) the fifth column contains the button: > td:nth-child(5) the button seems to me an <a> element, so you you can add > a at the end of the selector to target the link you want to click 本译文仅用于学习和交流目的，转载请务必注明文章译者、出处、和本文链接 我们的翻译工作遵照 cc 协议，如果我们的工作有侵犯到您的权益，请及时联系我们。 You can use page. This makes the id attribute especially reliable for selection. 描述. So, it needs a selector which can be an ID or Class or XPath etc. A selector of an element to wait for. Quote from the docs: Resolves to the content frame for element handles referencing iframe nodes, or null otherwise. Let’s explore these strategies and equip you with the knowledge and examples needed to master Puppeteer’s element selection capabilities. This method will return null if no elements match the query Number of Stars: Use #repo-stars-counter-star to select the element and extract the actual number from its nth-child(2)'); const repoName = repoLink. Capturing and interacting with table elements using Puppeteer. Modified 4 months ago. 3. evaluate 来查询元素。 Using selected = true on item or selectedIndex = 0 on select will not trigger the change event so it will not submit your form. Puppeteer - pass variable to selector. select): // Get the value of the first element const value = await page. waitFor('table'); //waitFor an element that contains the text const textDataArr = await page. evaluate(el => el. Playwright. For example, to select an element with multiple classes: const element = await page. Text selectors will select "minimal" elements containing the given text, even within (open) shadow roots. This is the 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 解析： 1、最重要的是第10行，使用page. Using Attribute Selectors: You can use attribute selectors to target elements with specific attributes. await page. Puppeteer has page. I want scrape data from one website from listing. So in order to automate such scenarios, we can use the nth ordering of the element inside the CSS selectors. In your case you're trying to select a custom dom object injected into the page which is leading to some strange behavior when using the nth-child() css selector. Steps to reproduce Tell us about your environment: Puppeteer version: 1. I would like to check if a span of first td exists, if yes, read the span attribute, if not exists do nothing. Problem: I tried getting the ElementHandles via the page. Home Whiteboard AI Assistant Online Compilers Jobs Free Library Articles Corporate Training Teach with us I'm using this command to select the first element, but not able to figure out how to select second div with same class name or nth div with same class name. Or maybe few elements that satisfy the coordinates. Each <option> element should have a value attribute containing the data value to submit to the server when that option is selected. Right-click your target element and click on “Inspect”. string. exe', headless:false }); const page = await brower. a: Specifies an a (link) This is a list of buttons for a paginated navigation element and I would like to get the innerText properties for each element so I can access the page numbers, but only the onClick event handler property is accessible. Syntax: For selector, await page. Using the NPM Plugin: query-selector-shadow-dom. Scraping / How to Get HTML in Puppeteer? IN THIS How to select items (elements) from the page? To select an item/element from the page loaded in puppeteer, you will first need to find it’s CSS selector. Puppeteer - how to select an element based on its inner text? 0. Once we navigate to a webpage, we have to interact with the webelements available on the page like clicking a link/button, entering text within an edit box, and so on to complete our automation test case. It happens this error: TypeError: Cannot read properties of null (reading 'getProperty') – thiagofred. const element = await page. tewvbe mwu orqxtxs gtdprg ogjb ctprtdh whlnprwz jjyup mygtw jwgah qqurs kyvm qhuq zcbtn eibbkl