Cannot install phantomJS in Karma
npm install karma-jasmine –save-dev npm install karma-phantomjs-launcher –save-dev Then add the following line to karma.config.js plugins : [‘karma-jasmine’, ‘karma-phantomjs-launcher’]
phantomjs
ReferenceError: Can’t find variable: jQuery with Poltergeist/Capybara
If jQuery is on the page you most likely have to use an evaluate function to enter the context of the page. CasperJS has this diagram http://docs.casperjs.org/en/latest/_images/evaluate-diagram.png http://phantomjs.org/api/webpage/method/evaluate.html The execution is sandboxed, the web page has no access to the phantom object and it can’t probe its own setting.
phantomJS webpage timeout
PhantomJS 1.9 has introduced a new setting, resourceTimeout, that controls how long a request can take before it gets cancelled. Along with that, there’s a onResourceTimeout event that is triggered if/when a request times out. Here’s a code snippet illustrating all of the above: var page = require(‘webpage’).create(); page.settings.resourceTimeout = 5000; // 5 seconds page.onResourceTimeout … Read more
How to increase the timeout in CasperJS
Use that to increase the timeout of every wait() functions : casper.options.waitTimeout = 20000; (20sec)
How to avoid being detected as bot on Puppeteer and Phantomjs?
If anyone need in future for the same problem. Using puppeteer-extra I have tested the code on a server. On 2nd run there is google Captcha. You can solve it your self and restart the bot or use a Captcha solving service. I did run the code more than 10 times there is no ip … Read more
Performant parsing of HTML pages with Node.js and XPath
You can do so in several steps. Parse HTML with parse5. The bad part is that the result is not DOM. Though it’s fast enough and W3C-compiant. Serialize it to XHTML with xmlserializer that accepts DOM-like structures of parse5 as input. Parse that XHTML again with xmldom. Now you finally have that DOM. The xpath … Read more
phantomjs screenshot font missing, boxes rendered instead
I had the same problem. Installing the urw-fonts package solved it for me: yum install urw-fonts
How do I access an iframe from CasperJS?
Spent forever looking for this, and of course I found the answer minutes after posting the question. I can use the new frame switching commands added to phantomjs in this commit. Specifically, the this.page.switchToChildFrame(0) and this.page.switchToParentFrame() functions. It appears undocumented, and it also seems that the methods have been changed for upcoming releases, but it … Read more
How to use ES6 with PhantomJS
According to PhantomJS dev’s comment on GitHub, the full support of ES6 will come with PhantomJS 2.5.
ffmpeg throwing “Output file #0 does not contain any stream” when trying to make a slideshow out of images
Your present command doesn’t specify any input, so use phantomjs runner.js | ffmpeg -f image2pipe -i pipe:.png -c:a copy -c:v libx264 -f flv rtmp://localhost/mystream There’s no audio input, so setting an audio codec is pointless. If your output needs an audio stream, use phantomjs runner.js | ffmpeg -f image2pipe -i pipe:.png -f lavfi -i anullsrc … Read more