Puppeteer wait for text In this article, we will discuss Puppeteer’s methods for precisely targeting and manipulating elements on web pages. The problem is, I don't Sep 18, 2022 · Because sometimes it's not as easy as waiting for the Page load event! This method finds the first element within the page that matches the selector and passes the result as the first argument to the pageFunction. Apr 24, 2024 · We discuss several scenarios where you would need to extract text and how to do it with Puppeteer using the methods available with real-life examples. Puppeteer’s logo In this guide, we'll explore how to precisely locate and interact with DOM elements using XPath in Puppeteer. Preparation Apr 21, 2018 · I have Puppeteer controlling a website with a lookup form that can either return a result or a "No records found" message. js library for automating UI testing, scraping, and screenshot testing using headless Chrome. To press a special key, like Control or ArrowDown, use Keyboard. type(), which takes raw characters and generates proper keydown, keypress/input, and keyup events on your page. How to retrieve input values in Puppeteer? Retrieving input values from various elements on a web page using Puppeteer is essential for validation, data extraction, or further processing. I have an element that once I click it, text becomes "Generating" until download is finished. 3 Node. evaluate () and an xpath p-aria which lets you select WebScraping. type() method, and keyboard. Important Note: Deprecated page. "p" selectors are a new thing they've added that let you use different methods of selection. In this comprehensive guide, we'll delve into the art of finding elements using CSS selectors with Puppeteer. Holding down Shift will type the text in upper case. Puppeteer runs in the headless (no visible UI) by default Aug 20, 2017 · It looks like a timing issue - browser loads the page, decides to wait for the web font to load. by Raian This method returns all elements matching the selector and passes the resulting array as the first argument to the pageFunction. waitForSelector("text/offline") or an XPath instead: Wait for the selector to appear in page. js library for controlling headless Chrome or Chromium browsers, you can wait for an element to appear on a page by employing various techniques. screenshot(). Jul 31, 2019 · In puppeteer how to wait for DOM element to load and then click. Aug 22, 2020 · I am trying to click on the link, which contains a text inside the span Code i tried Sep 22, 2025 · Parameters field (string (opens new window) | object (opens new window)) located by label|name|CSS|XPath|strict locator value string (opens new window) text value to append. In this article, we explored four commonly-used methods: load, domcontentloaded, networkidle0, and networkidle2 to determine when the page is ready for interaction. log('before Dec 25, 2022 · The benefit is that you don't need to specify what the text is changing to, only whether it changed. Learn the importance of waiting for content and events before running interaction or extraction code, as well as the best practices for doing so. type to finish typing long text Asked 4 years, 4 months ago Modified 1 year, 2 months ago Viewed 7k times Keyboard provides an api for managing a virtual keyboard. For capturing screenshots use Page. Here’s an example: A high-level API to control headless Chrome over the DevTools Protocol. Returns: Promise<void> Remarks If key is a single character and no modifier keys besides Shift are being held down, a keypress / input event will also generated. Learn how to set up and run automated tests with code examples of waitForSelector method from our library. 0, last published: 5 hours ago. Here is some sample code that opens up ScrapingBee homepage and waits for the content section to show up Keyboard. Jul 24, 2018 · aslushnikov on Jul 25, 2018 Contributor Is it possible to monitor for text change and return the new and the old text @abruski Puppeteer doesn't have anything to help here. Jul 10, 2025 · Learn all about Puppeteer Type Command, page. Screenshot helps because it waits for subsequent paint to happen. The text option can be specified to force an input event to be generated. JavaScript API for Chrome and Firefox. We can handle elements on page with Puppeteer. Puppeteer Sharp - Examples Puppeteer Sharp is a . press (). DownloadAsync(); var browser = await Puppeteer. Waits for the provided function, pageFunction, to return a truthy value when evaluated in the page's context. Signature Puppeteer Sharp - Examples Puppeteer Sharp is a . await page. JS Puppeteer API. It means that the function cannot access scope variables or call other functions defined in your Puppeteer script, and you need to define the entire function logic within the function body. NewPageAsync(); Puppeteer Sharp - Examples Puppeteer Sharp is a . Waiting for an iFrame to load In the realm of web scraping with Puppeteer, ensuring that the iframe has fully loaded is a crucial step before attempting to interact with its content. 2 Platform / OS version: 10. text TLDR - How to Capture Background XHR Requests with Puppeteer Ultimately the best way to capture XHR requests in Puppeteer is using request interception. by Raian Jul 25, 2023 · One of Puppeteer's essential features is the ability to wait for specific elements to appear on a page using the waitForSelector function. Generally speaking, for scripts specific to one page, this is the main tool to wait for the state you want, whether you're extracting data or clicking something. Sep 1, 2020 · I'm trying to generate a PDF using Puppeteer and insert there a Chart. AI Frequently Asked Questions About PuppeteerPuppeteer Questions Find answers to common questions about puppeteer web scraping. This is what I have // use puppeteer const puppeteer = require ('puppeteer'); //set wait length in ms: 1000ms = What are the options for waiting for elements to load in Puppeteer-Sharp? Understand timing, waits, and how to handle asynchronous operations Oct 26, 2017 · I submit a form using the following code and i want Puppeteer to wait page load after form submit. This server allows Claude to interact with web pages, take screenshots, execute JavaScript, and perform various browser automation tasks Sometimes the data you need is available online, but not through a public API. 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. The following code is a simple example Jun 28, 2021 · I'm using Puppeteer to extract the text of a span by it's class name but I'm getting returned nothing. waitFor() method has been deprecated in modern Puppeteer Learn to wait for pages and elements to load with Puppeteer. Signature Page. These functions are essential for reliable web scraping and automated testing, ensuring elements are loaded before interaction. Puppeteer just captures a pdf. Use the waitForSelector method in your next Puppeteer project with LambdaTest Automation Testing Advisor. 1, downgrade to 2. This feature is extremely helpful while performing web scraping on dynamic websites. Learn how to optimize web scraping and automation with Puppeteer. click("button[type=submit]"); //how to wait until the new page loads before taking The syntax for the use of text () function is as follows − //tagname[text()='visible text on element'] If the value of an element or the text is partially dynamic in nature or very lengthy, we can use the contains () function. Request interception allows you to stop XHR requests in the browser before they are sent to the target. You can wait for the page to load in Puppeteer by using the waitForSelector method. It is a nodejs 8. Fortunately for developers everywhere, most things that you can do manually in the browser can be done using Puppeteer, a Node library which provides a high-level API to control Chrome or Chromium over the I'm using puppeteer to convert some HTML to PNG using the screenshot method. of Although the function is defined in your script context, it actually gets converted to a string by Puppeteer, sent to the target page and evaluated there. It is useful when you run code that will indirectly cause the page to navigate. If at the moment of calling the method the selector already exists, the method will return immediately. Or just use a newer native Puppeteer text selector, if you don't really need jQuery in general and just need to select an element by text. My code to check is as follows: Dec 18, 2019 · The image result is like below. The Promise will be rejected if there is no element matching selector. Put simply, it’s a super useful and easy tool for automating, testing and scraping web pages over a headless mode or headful either. x documentation about XPath, still don't know how to use XPath in Puppeteer 22. Explore how to test Puppeteer scripts on real devices with BrowserStack. then(data => data. All these are done using the keyboard method. For example, we often wait for a text to appear on the page. If the selector doesn't appear after the timeout milliseconds of waiting, the function will throw. Web scraping can be useful in these situations, but only if this data can be accessed statically on a web page. , clicking a button), and you When using Puppeteer, a Node. context (optional) element located by CSS|XPath|strict locator. NewPageAsync(); Jul 8, 2020 · I'm using puppeteer to check for a specific text that appears on the webpage. See full list on ajahne. type () method Sends a keydown, keypress / input, and keyup event for each character in the text. Learn about type method, click method, and how to deal with text fields, dropdowns, and checkboxes. type () method Sends a keydown, keypress/input, and keyup event for each character in the text. If you want to be particular about the text you want to wait for, you can use page. Returns void automatically synchronized promise through #recorder This action supports React locators attachFile ⚠ There is an issue with file upload in Puppeteer 2. I've reviewed this question Puppeteer: search for inner text case insensitive, but it looks like it only works Page provides methods to interact with a single tab or extension background page in the browser. We have 53 detailed answers to help you get started. x. waitForValue Waits for the specified value to be in value attribute. Jan 31, 2020 · Puppeteer pages have a handy evaluate() function that lets you execute JavaScript in the Chrome window. fetch(url) . I don't know if its because the page isn't loading in time or not. I need to make Puppeteer pause and wait for user input of username and password before continuing. Assertion toolkit for Puppeteer. Puppeteer's smart navigation wait strategy boosts performance by effectively synchronizing scripts with the loading of web pages. I am trying to Puppeteer can perform keyboard simulation actions like pressing a key in the keyboard, pressing the up, down keys, and so on. io Using a combination of these methods, you can effectively wait for an element to appear on the page using Puppeteer and proceed with further actions once it becomes available. NewPageAsync(); Keyboard. Jun 24, 2025 · Learn to set up the Puppeteer environment for handling alerts and pop-ups while integrating with BrowserStack. js version: 10. In puppeteer I would like to wait a defined time before going to the next line of code. 0 & 2. How can I tell which was returned? waitForSelector seems to wait for only Mar 20, 2025 · Learn how to start a browser with Puppeteer, click buttons and wait for actions, and how to extract data from websites. Once completed, text changes to something else. 0 app. I. Mar 25, 2025 · I'm attempting to locate and element with the innerText that is defined in a variable. Complete guide to handling iframes in Puppeteer with methods, examples, and best practices for interacting with embedded content. This is what I have // use puppeteer const puppeteer = require ('puppeteer'); //set wait length in ms: 1000ms = Oct 26, 2017 · I submit a form using the following code and i want Puppeteer to wait page load after form submit. In this way you can manipulate or capture them and set up to capture the response content as well. It waits for criteria to be met (a true value). Latest version: 24. Various preconditions for a successful action are checked automatically. Jun 21, 2019 · Use a selector tool There are bunch of chrome extension that helps you find the right selector. OK nice, now we already get the ElementHandle from that XPath expression. Modifier keys DO effect Keyboard. Nov 11, 2017 · // Was trying to select a iframe before it is actually loaded. 15. How do I use the 'waitFor' function in Puppeteer? Puppeteer provides several wait functions to pause script execution until specific conditions are met. sec (optional) time in seconds to wait, 1 sec by default Provides detailed information about the Class ElementHandle in Puppeteer Sharp, including its methods and usage for interacting with HTML elements. ElementHandle. Jul 25, 2023 · One of Puppeteer's essential features is the ability to wait for specific elements to appear on a page using the waitForSelector function. Locators describe a strategy of locating objects and performing an action on them. Sep 25, 2018 · If you're waiting for a load on a specific page, identify a selector that indicates the state you want to wait for. 14. 1. // Is possible check before, or wait for it to load ?? const frame = await page. Nov 1, 2017 · This is correct. Puppeteer provides methods to extract values from different types of input fields, including text inputs, dropdowns, checkboxes, and more. 1 Selecting an input element and filling it with a certain value is straight forward Element A Model Context Protocol (MCP) server that provides Claude Code with comprehensive browser automation capabilities through Puppeteer. Jan 2, 2025 · Learn how to click buttons in Puppeteer. 12. Avoid common errors using waitForSelector, waitForNetworkIdle, and timeouts for reliable web scraping. If you're on an older Puppeteer version, looping over elements manually seems fine for most cases too. Rich functionality – Puppeteer not only handles automation but also complex tasks like cross-domain data extraction, screenshots, PDF generation etc. of Learn how to automate form filling, text input, and user interactions with Puppeteer, enhancing efficiency and accuracy in web automation. LaunchAsync(new LaunchOptions { Headless = true }); var page = await browser. You can still use the "old way" of using traditional CSS selectors. Jul 3, 2025 · Learn proven ways to wait for page load in Puppeteer. The correct pattern for click and wait for navigation is the following: Puppeteer Page class contains methods to achieve synchronization. In this article, we’ll explain how to configure clicking in Puppeteer in 3 different methods, using Selector, XPath and Text search. Master timing strategies for reliable web automation and scraping. Jul 11, 2024 · Find out how to use Puppeteer to handle forms, buttons, and inputs. Unlike Frame. Nov 6, 2025 · In this guide, we’ll dive deep into how to wait for an element to be visible in Puppeteer, why it matters, and walk through practical code examples for every scenario. From building a basic scraper to large-scale crawling. 27. May 16, 2018 · How can I wait until an element has a certain value? For example, some button on a page changes the value of an input field from "No Value" to "Value X". Jul 1, 2024 · Puppeteer provides powerful capabilities for interacting with iframes in web scraping and automation tasks. Signature Jul 17, 2019 · But as I applied the scraping code to wait for the response ( using waitForResponse(url) ), but it scrapes before the content of the table is changed. . Latest version: 11. , a particular URL has been called to happen) after a particular action (e. I want to click an element containing the text 'Next'. If the action fails because the object is not ready for the action, the whole operation is retried. 0, last published: 9 months ago. Start using puppeteer in your project by running `npm i puppeteer`. Aug 13, 2019 · How can I tell puppeteer to wait for that element for, say, 5 seconds and if it doesn't exist, move on with the rest of the code? Here's the code that I'm using- Jan 26, 2019 · Problem: You want to use puppeteer to automate testing a webpage. In this comprehensive guide, we'll delve deep into Puppeteer's waitForSelector and provide a detailed explanation of how to use it. I want it to wait for a while till the table content is changed. I would like to know if I can tell puppeteer to wait until an element is displayed. waitFor() The generic page. github. Jul 2, 2021 · Puppeteer wait for keyboard. Puppeteer supports multiple types of selectors, namely, the CSS, ARIA, text, XPath and pierce selectors. waitForValue('//input', "GoodValue"); Parameters field input field. There are 8665 other projects in the npm registry using puppeteer. 0. Page provides methods to interact with a single tab or extension background page in the browser. The high level api is Keyboard. find(f => f ElementHandle represents an in-page DOM element. Remarks Bear in mind that if click() triggers a navigation event and there's a separate page. Puppeteer can be used for web scraping, and in this Google Puppeteer tutorial, we will be explaining how to do it step by step with code examples. setDefaultTimeout () method. Apr 16, 2024 · You can wait for the page to load in Puppeteer by using the waitForSelector method. currently they are shipping the following "p" selectors: p-text which lets you search for a given text value p-xpath, which uses Document. The evaluate() function is the most flexible way to interact with Puppeteer, because it lets you control Chrome using browser APIs like document. Selectorgadget Get Unique CSS Selector Copy Css Selector 2. Dec 25, 2022 · The benefit is that you don't need to specify what the text is changing to, only whether it changed. value expected value. NET port of the official Node. First, I fetch some SVG, then I create a page, and set the SVG as page content. Contribute to puppeteer/puppeteer development by creating an account on GitHub. NewPageAsync(); Puppeteer is a project from the Google Chrome team which enables us to control a Chrome (or any other Chrome DevTools Protocol based browser) and execute common actions, much like in a real browser – programmatically, through a decent API. Since there's no general solution, I'd come up with something creative along the lines of what @vsemozhetbyt suggested. timeout: Maximum wait time in milliseconds, defaults to 30 seconds, pass 0 to disable the timeout. Basic Usage Take screenshots using var browserFetcher = new BrowserFetcher(); await browserFetcher. The default value can be changed by using the Page. There's also the in-browser XPath API, accessible inside evaluate callbacks in any Puppeteer version, for certain rare cases. We’ll explore three essential techniques: selecting elements by class, by ID, and by their text content. Learn effective wait strategies in Puppeteer to enhance the reliability and speed of your web automation scripts. Puppeteer runs in the headless (no visible UI) by default Feb 23, 2021 · Situation: In Puppeteer, one sometimes needs to wait for a particular HXR request (e. waitForSelector () method Wait for an element matching the given selector to appear in the current element. This will pause execution until a specific element shows up on the page and indicates that the page has fully loaded. Dec 22, 2017 · This loss of focus is not ever seen by a user (because they won't select an input as quickly as puppeteer will) so it's only an issue with puppeteer itself, I can force it to work fine if I make puppeteer wait 500ms after landing on the page (which is enough time for DB calls to resolve locally but may not work in my remote environment). You need to get either the text or the inner HTML of some element, e. Puppeteer should: detect that the browser is waiting for the font (for example, based on the issued request) wait for load to succeed wait for subsequent layout to happen and meaningful paint to be Apr 30, 2021 · I try to do this but I get an exception : var text = "hello"; var input = await page. OK now let's create the script on that use Puppeteer to get this selector text content. Use the waitForFunction method in your next Puppeteer project with LambdaTest Automation Testing Advisor. sec (optional) time in seconds to wait. Jun 3, 2024 · I have read the newest Puppeteer v22. These methods are used to wait for an action/element on the page. QuerySelectorAsync("input"); var button = await page ElementHandle. 0 if you face it To me the documentation reads like this. waitForNavigation () method Waits for the page to navigate to a new URL or to reload. I am trying access a simple page, hit the Start button and then a text field should appear, and I need to type in that text field. js graph (but the whole PDF should be a text based - not a webpage screenshot). Getting the data Given your selector is . Wait for all Network events to finish Basically on a navigation you can wait until network is idle. When I open the template I can see graph loaded text to wait for. g. Apr 3, 2025 · Learn how to Wait for Page to Load in Puppeteer using proven methods to ensure complete page rendering and accurate scraping. frames(). Sep 30, 2023 · I am using Node and Puppeteer. waitForSelector (), this method does not work across navigations or if the element is detached from DOM. Perhaps Puppeteer's API has changed since the other answers were written, but they should be edited; url and method are "private" members now, prefixed with an underscore and exposed via getter methods. Puppeteer provides a built-in mechanism for waiting for specific elements to appear within the iframe. The following table shows Puppeteer's equivalents to Protractor By. querySelector(). I have tried, Waiting for some time after the response using ( waitFor (1000) ) Waiting for some other existing DOM element. waitForSelector("text/offline") or an XPath instead: How do I use the 'waitFor' function in Puppeteer? Puppeteer provides several wait functions to pause script execution until specific conditions are met. CL1, you need to do few things. Learn how to set up and run automated tests with code examples of waitForFunction method from our library. click("button[type=submit]"); //how to wait until the new page loads before taking What are the options for waiting for elements to load in Puppeteer-Sharp? Understand timing, waits, and how to handle asynchronous operations The syntax for the use of text () function is as follows − //tagname[text()='visible text on element'] If the value of an element or the text is partially dynamic in nature or very lengthy, we can use the contains () function. Start using expect-puppeteer in your project by running `npm i expect-puppeteer`. Nov 21, 2017 · Injecting jQuery into the target site is a one-liner, so adding another dependency just to do that seems a bit excessive. There are 48 other projects in the npm registry using expect-puppeteer. Typing Text into Inputs Puppeteer is a JavaScript library which provides a high-level API to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi. Oct 30, 2023 · Learn how to implement and use PuppeteerSharp (Puppeteer in C#) for your web scraping purposes: JavaScript rendering and avoid getting blocked. I am trying to get the a new tab and scrape the title of that page with puppeteer. To properly access iframe content, it’s crucial to wait for the iframe to load fully Mar 2, 2019 · Puppeteer version: 1. type() method to type text input in Puppeteer with examples Dec 6, 2023 · Puppeteer is a Node. Dec 18, 2019 · The image result is like below. With this context on what Puppeteer is and why it rocks, let‘s look at how we can leverage it to automate form interactions. I've tried to put a setTimeout in an evaluate function but it seems to be simply ignored console. waitForNavigation() promise to be resolved, you may end up with a race condition that yields unexpected results. In order to use the contains () function, it is mandatory that the element should either have an attribute value or a Jan 9, 2018 · Between CSS, text and aria selectors, the use case for XPath should be very narrow nowadays. gdniqyh rkf ahg bvoqnf aau iae wqrki rkg cyjecqx tkktyn bpvehr rlmds umepubw dnglzbf eumk