Chromedp click. ScrollIntoView(input [type="button"], chromedp.
Chromedp click FromNode (iframe)) How did you Aug 7, 2020 · The issue that I have is that this will work fine when the element I'm trying to click on exists on the page but the Click function would block if the element does not exist, and therefore everything after the Click function won't get executed. Apr 19, 2025 · Event Handling Relevant source files Event handling in chromedp provides mechanisms to listen for, react to, and wait for various events emitted by the Chrome browser through the Chrome DevTools Protocol (CDP). Oct 7, 2025 · Overview Package chromedp is a high level Chrome DevTools Protocol client that simplifies driving browsers for scraping, unit testing, or profiling web pages using the CDP. chromedp code examples. Demo not working Demo working Why doesn't it work? two pieces of code have the same logic, right? ========================================== What did you expect to see? I want click button ". 大家好，我是渔夫子 公众号：Go学堂 ，关注我，送《go常见错误100例及原理解析》pdf文档。今天给大家推荐一个基于Chrome DevTools协议的Go语言库： chromedp。该库提供了一种简单、高效、可靠的方式来控制Chrome浏… Nov 19, 2020 · Please note that with the CDP, one needs to synthesize the key down, key press, and key up events in order to "correctly" send a key event. Click(input [value="Click me"], chromedp. But chromedp. Chromedp also provides a Tasks type which can be used to group multiple actions together in a sequential order. querySelector ("#loginid")`, `bb`, chromedp. Mar 23, 2019 · 1 I am trying to use the Go library Chromedp to scrape some data from a web page. Click () 模拟鼠标点击某个元素 Jan 27, 2023 · navigate to a page click the button do not exit the browser (or the chromedp. Click(#pane-first > form. Nothing happen Mar 2, 2025 · Golang's concurrency and efficiency make it a top choice for headless browser automation. Jan 11, 2024 · chromedp. ByNodeID)). // Alternatively down arrow could be pressed until Custom option was reached Apr 19, 2025 · Examples and Patterns Relevant source files This page provides practical examples and common usage patterns for the chromedp library. ScrollIntoView(input [type="button"], chromedp. ByJSPath), 3、设置值： chromedp. Targets and chromedp. For specific details about the Actions system that underlies many of these examples, see Actions System. Additionally, since these examples are written for specific Apr 11, 2024 · We can submit the form either with chromedp. Aug 3, 2025 · About chromedp examples This folder contains a variety of code examples for working with chromedp. SetValue (`#loginid`, `aa`, chromedp. Additionally, since these examples are Nov 18, 2023 · What did you do? Include clear steps. I realize that this seems like a "simple task", but the actual underlying protocol complicates this a chromedp. ByID), chromedp. Navigate () 将浏览器导航到某个页面 chromedp. chromedp is an excellent tool that can be used to scrape websites in Go. Tasks也是提前定位了frame。 元素定位 chromedp. Is there a way I can achieve that? RunResponse didn't help, and unfortunately I could not figure out how to use WaitNewTarget here. Jul 26, 2025 · Command click is a chromedp example demonstrating how to use a selector to click on an element. For information about executing . Click action. Wait. Click or chromedp. el-form-item__content > button[class="e chromedp code examples. Click with the right mouse button, then use the MouseClickNode event inside a QueryAfter. Apr 6, 2025 · 李文周的 Blog 提供免费的 Go 语言教程，本文介绍了 Go 语言 chrome 浏览器自动化工具 chromedp，分别介绍了 chromedp 与 selenium、puppeteer 的区别。同时介绍了 chrome-headless-shell 以及如何 chromedp 操作 chrome 实现网页截图和网页转PDF。 Apr 19, 2025 · Overview Relevant source files ChromeDP is a high-level Go library that provides a concise, powerful API for controlling browsers that support the Chrome DevTools Protocol (CDP). Good luck with your project! Sep 15, 2025 · F12打开控制台 我们可以找到“登陆”按钮对应的位置，因为这里没有id 我们使用chromedp. I want to jump through them in order to get the content of the page and search for elements in it. WaitNewTarget does not work in this case. Click() sends a mouse click event to the node matching the selector in our case that’s our submit button. Unrealistic mouse/touch movement: chromedp can simulate clicks but lacks human-like curves. Mar 24, 2019 · I've tried as well these: chromedp. Dec 5, 2020 · You can't use a MouseClick action in this way. Instead, you need to do a SetValue action against the element. el-form > div. Here's what you need to know: Chromedp: Easy to use, great for common tasks like clicking, typing, and taking screenshots. Dec 10, 2019 · How to click each button of the page in turn use chromedp by GO Asked 5 years, 11 months ago Modified 5 years, 11 months ago Viewed 770 times Jul 23, 2021 · I just noticed that the github chromedp org/user (or whatever its called) itself has an examples repository which contains the click and click2 examples. MouseClickNode directly (instead of chromedp. NewContext () 初始化chromedp的上下文，后续这个页面都使用这个上下文进行操作 chromedp. NodeVisible to that Click, but it doesn't seem to change anything This is a screenshot I took with non-headless mode, highlighting the HTML for the button: Mar 25, 2022 · Generally speaking, chromedp. Try using the SendKeys event that synthesizes this for you, or alternately copy/paste the SendKeys implementation and add modifiers that are held down. ytp-large-play-button", chromedp. Click(`#edit-cdn-provider`), // Chooses option that starts with c, "Custom", and selects it. Input simulation is a core component of browse Zero delay interactions: No human takes 50ms between page load and button click. This folder contains a variety of code examples for working with chromedp. Click is a query action, while the Mouse* actions are input actions. visible-xs visible-sm (when there are multiple matching elements, chromedp. Tasks { var currentUrL string var Feb 23, 2021 · For some reason (the target web pages render different views for PC and mobile), I need to first use the mobile window size to do some operations, then switch to a PC window size at run-time, then Apr 4, 2018 · Automate tasks in Chrome (and other browsers) with Golang and Chrome Debugging Protocol Sep 28, 2021 · chromedp / chromedp Public Notifications You must be signed in to change notification settings Fork 834 Star 12. WithTargetID. // but can't be used on pagination between pages chromedp. Please note that these examples may break occassionally. Jun 29, 2024 · In this example, we create a chromedp task that navigates to example. SendKeys (`input [name=userpassword]`, "123"), 2、选择元素，除chromedp. Is there a way to Click on an element ONLY if it exists, and move on otherwise? chromedp官方的 仓库并没有放出如何操作frame&iframe的代码样例，可以参阅的相关资料是 和nav的 (在TestQueryIframe函数)。 frame元素定位和操作frame里面的元素必要拆分出来分开run，放在一起，frame会提前去定位，但此时frame并没有定位成功。同理，在chromedp. Click点击登陆按钮，该操作后截图如下 我们需要选择用户名登陆，同样在网页元素中找到这个位置。 使用Click点击，操作后如下 Apr 19, 2025 · ChromeDP is a high-level Go library that provides a concise, powerful API for controlling browsers that support the Chrome DevTools Protocol (CDP). Apr 16, 2024 · While there are many web scraping tools and libraries available, Go developers should take a serious look at chromedp. With options, Jun 30, 2024 · 在現代的網頁開發中，JavaScript 驅動的動態網站變得越來越普遍，這對使用傳統 HTML 解析的爬蟲工具帶來了挑戰。傳統的方法不再適用，因為網頁的內容必須在執行 JavaScript 後才會生成。解析這種網站需要更多前端的知識。 Mar 13, 2020 · Moreover, in the non-headless mode, if I manually click on the button, the login happens as expected (meaning that the second Click on the same button actually happens) I tried to add chromedp. It aims to help users implement effective browser automation solutions by showcasing recommended approaches and techniques. Click (". Please note that chromedp. ByJSPath chromedp. Oct 20, 2021 · If you already get an Node object, you can use chromedp. What should I do? `func GetOrders (result * []tools. This page introduces the core concepts, architecture, and basic usage patterns of Dec 10, 2021 · Currently I am using mouse_click_node action but it probably clicks href link which moves to another page and still lightbox is hidden. ButtonModifiers to close the tab: use chromedp. Rod: Focuses on performance, with features like Jul 24, 2024 · // when it waits too long, chromedp. ByQuery), 4 Dec 1, 2017 · Package chromedp is a high level Chrome Debugging Protocol domain manager that simplifies driving web browsers (Chrome, Safari, Edge, Android Web Views, and others) for scraping, unit testing, or profiling web pages. Nodes query by xpath (/a/@href) get a incorrect NodeType #933 Package chromedp is a high level Chrome DevTools Protocol client that simplifies driving browsers for scraping, unit testing, or profiling web pages using the CDP. Submit() works even if the form is invisible). com, waits for the page to load, enters "chromedp" in the search box, clicks the submit button, then waits for the search Jun 26, 2025 · 引言：为什么选择 chromedp？ 在现代 Web 开发中，浏览器自动化已成为提升效率的关键技术。对于 Go 开发者而言，chromedp 是一个强大的工具，它通过 Chrome DevTools 协议直接控制 Chrome/Chromium 浏览器，无需额外依赖如 Selenium 或 WebDriver。 chromedp 的核心优势： 原生 Go 实现：无缝集成到 Go 项目中 高性能 Jul 9, 2019 · If you wanted to do the equivalent chromedp. How can I click on whole element? Oct 22, 2021 · chromedp. Submit. This package includes a number of simple examples. el-form-item > div. Please check out the chromedp/examples repository, specifically the submit example which shows a very high-level overview of interacting with form elements. ByJSPath的方式来定位。 使用chromedp. 4k Jun 7, 2017 · I am having an issue with getting the chromedp. It seems to work fine when running in headless mode but without headless mode the click does not register at all. modal-holder`), May 2, 2025 · how would chromedp click an element immediately, yet no tab was actually launched? As I am using the remote developer option, I can see the page and even though chrome is much faster than my eyes, the elements were there for me to see. You can use XPath to search the node, which will make it more easy: Sep 20, 2025 · The code snippet above navigates to a web page and simulates a button click using the chromedp. Aug 28, 2023 · Learn how to use Chromedp, one of the most popular headless browsers in Golang to render JavaScript content and pages and interact with them. 由于chromedp具有高效、稳定、可靠的特点，因此在以下场景中得到了广泛的应用：1. Navigate will wait for the Page. This page explains how to receive and handle browser events such as console logs, JavaScript dialogs, page navigation, DOM changes, and new tabs/windows. Submit() (chromedp. ByID，还可用 chromedp. The example in click/main. Apr 4, 2018 · chromedp. A comprehensive guide to using ChromeDP for browser automation and web scraping, with practical examples and performance optimization techniques. Click(input [type="button"], chromedp. Poll is better than chromedp. Run () 运行一个chrome的一系列操作 chromedp. 3k Apr 19, 2025 · This document describes the input simulation capabilities in ChromeDP, which allow automating mouse movements, clicks, and keyboard input in the browser. ytp-large-play-button" inside iframe What did you see instead? My code stopped at chromedp. I would appreciate any help very much Feb 23, 2021 · I use chromedp. 数据采集：可以使用chromedp对各类网站进行数据采集。 Dec 9, 2019 · There is a page with a lot of buttons. This is similar to how Selenium and other libraries work as well. chromedp requires no third-party dependencies, implementing the async Chrome DevTools Protocol entirely in Go. It enables automating browser interactions without e Jun 23, 2022 · The most simple workaround for this specific issue is to always use the form in div. SetValue (`#loginid`, `cc`, chromedp. go demonstrates a complete workflow including context creation, navigation, waiting for elements, clicking, and retrieving values. Feb 19, 2020 · 之前总结了chromedp的一些例子，今天找出来供参考： package main import ( "context" "encoding/json" "flag" "fmt" "io" " Apr 23, 2020 · My HTML as below: Tried many ways, but always block: Hot to write the click for the button chromedp. In this guide, you'll give a high-level overview of how to use chromedp and explore some of its advanced capabilities. Order) chromedp. This powerful open-source library allows you to drive Chrome or Chromium browsers directly from Go, making it possible to automate interactions and scrape even the most complex, JavaScript-heavy websites with ease. May 25, 2019 · Package chromedp is a high level Chrome Debugging Protocol domain manager that simplifies driving web browsers (Chrome, Safari, Edge, Android Web Views, and others) for scraping, unit testing, or profiling web pages. ByQuery) They Feb 20, 2020 · 常用功能： 1、给input设置值（还可以SendKeys） chromedp. The QueryAfter allows one to easily join the two. SetValue (`document. ByQuery returns the first one) and submit the form with chromedp. It enables automating browser interactions without external dependencies, implementing the Chrome DevTools Protocol entirely in Go. Run function) until the browser hits the specific URL. What did you see instead? Clicking using href hangs the program Clicking using id seems to work, but outerAfter does not contain any newer post. Click action to work. Package chromedp is a faster, simpler way to drive browsers supporting the Chrome DevTools Protocol in Go without external dependencies. This action triggers the corresponding event handler associated with the button, allowing you to load more content or perform actions. I think this event is identical to the window: load event. Nov 14, 2021 · What did you expect to see? outerBefore and outerAfter are displayed, with the latter containing more posts since the program clicked on the page's "Load more" button. Basic Usage Patterns Context May 28, 2021 · Ctrl + mouse click: chromedp. ByQuery) chromedp. Navigate (ur Jan 14, 2022 · chromedp / chromedp Public Notifications You must be signed in to change notification settings Fork 843 Star 12. Tools like Chromedp and Rod let you control Chrome/Chromium browsers for tasks like web scraping, UI testing, and form submissions. MouseClickNode with chromedp. Contribute to chromedp/examples development by creating an account on GitHub. I basically need to click on a button, take for example the "Click me" button from the W3C School website. Click(id, chromedp. Navigate (url) to open a page, that page has already shown the element I want but it just can't be fully loaded (maybe some little images or JS calls are hanging there, which I don't care actually). The package documentation contains a number of simple examples which are self-contained, while this repository holds more complex examples which tend to require internet access or external components. Jul 26, 2018 · Hi , I want to do click on elements under one iframe. WaitVisible () 等候某个元素可见，再继续执行。 chromedp. In the latter case, the function submits the parent form of the first element node matching the selector. ByQuery Feb 20, 2024 · I'm trying to use chromedp to automate some process of open a web page and simulate clicking buttons and input text to finish some task, and I'm doing it in GUI mode (headless is set to false) so t Sep 12, 2020 · Package chromedp is a high level Chrome DevTools Protocol client that simplifies driving browsers for scraping, unit testing, or profiling web pages using the CDP. loadEventFired event (the successful path). Jun 13, 2024 · 学习使用Go语言chromedp库操作Headless Chrome浏览器，包括基本参数配置、选择器使用、页面导航、元素操作和截图功能。提供代码示例展示如何访问网站、填写表单和截取全屏截图，帮助开发者快速上手无界面浏览器自动化开发。 Jun 30, 2020 · Package chromedp is a high level Chrome DevTools Protocol client that simplifies driving browsers for scraping, unit testing, or profiling web pages using the CDP. Click(*/deep/ [value="Click me"], chromedp. WaitVisible (`div. BySearch) chromedp. Additionally, chromedp/examples contains more complex Apr 28, 2025 · Clicking elements using ChromeDP is a fundamental automation task that relies on proper selector usage and timing. lzmfu qosgr qmc rkp oxzhp hxtanr tqlr yajnqd tkfuu hqqi nyfvj xmpag szg funry buq