问Puppeteer文档出现错误: DOMException:无法对‘waitForXPath’执行'querySelector‘EN记得前几年，我们通常...
利用Puppeteer可以做到爬取页面数据，页面截屏或者生成PDF文件，前端自动化测试（模拟输入/点击/键盘行为）...
如果Puppeteer 方法无法执行一个请求,就会抛出一个错误。例如,page.waitForSelector(selector[, options]) 选择器如果在给定的时间范围内无法匹配节点,就会失败。 对于某些类型的错误,Puppeteer 使用特定的错误类处理。这些类可以通过 require('puppeteer/Errors') 获得。 支持的类列表: ...
However, in Python, $ is not a valid identifier, instead of $ python uses J as a shorthand operator as listed below: PuppeteerPyppeteerPyppeteer shorthand Page.$() Page.querySelector() Page.J() Page.$$() Page.querySelectorAll() Page.JJ() Page.$x() Page.xpath() Page.Jx() ...
However, in Python, $ is not a valid identifier, instead of $ python uses J as a shorthand operator as listed below: PuppeteerPyppeteerPyppeteer shorthand Page.$() Page.querySelector() Page.J() Page.$$() Page.querySelectorAll() Page.JJ() Page.$x() Page.xpath() Page.Jx() ...
Ensure your configuration file (if applicable) is valid. If the issue is flaky (does not reproduce all the time), make sure 'Flaky' is checked. If the issue is not expected to error, make sure to write 'no error'. Once the above checks are satisfied, please edit your issue with the...
NOTE It is not yet possible to test extension popups or content scripts. class: Puppeteer Puppeteer module provides a method to launch a Chromium instance. The following is a typical example of using Puppeteer to drive automation: const puppeteer = require('puppeteer'); (async () => { const...
Python Puppeteer)我也遇到过类似的问题，使用await page.waitForSelector(selector)解决了这个问题。
Python Puppeteer)我也遇到过类似的问题，使用await page.waitForSelector(selector)解决了这个问题。
Since this method could be used for any of our crawlers, not just PuppeteerCrawler, the methods have been renamed to session.getCookies() and session.setCookies() respectively. Otherwise, their usage is exactly the same!Memory storageWhen we store some data or intermediate state (like the one...