headless-browser

问题 When I discovered that Node.js was built using the V8 JavaScript engine , I thought: Great, web scraping will be easier as the page will be rendered like in the browser, with a \"native\" DOM supporting XPath and any AJAX calls on the page executed. Why doesn\'t it have a native DOM when it uses the same JavaScript engine as Chrome? Why doesn\'t it have a mode to run JavaScript in retrieved pages? What am I not understanding about JavaScript engines vs the engine in a web browser? Many thanks

问题 I\'m looking at Selenium Server at the moment, and I don\'t seem to notice a driver that supports headless browser testing. Unless I\'m mistaken, it doesn\'t support it. If you\'re on X, you can create a virtual framebuffer to hide the browser window, but that\'s not really a headless browser. Can anyone enlighten me? Does Selenium support headless browser testing? 回答1: you need not use PhantomJS as an alternative to Selenium. Selenium includes a PhantomJS webdriver class, which rides on the

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I need a headless browser which is fairly easy to use (I am still fairly new to Python and programming in general) which will allow me to navigate to a page, log into a form that requires Javascript, and then scrape the resulting web page by searching for results matching certain criteria, clicking check boxes,

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . I would like to do the following. Log into a website, click a couple of specific links, then click a download link. I\'d like to run