September 2018
Intermediate to advanced
764 pages
20h 6m
English
Content preview from Building Enterprise JavaScript Applications
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Headless browsers
Headless browsers are browsers that do not render the page on an interface. A header browser would fetch the content of the page and then download images, stylesheets, scripts, and so on, and process them just like a real browser.
The benefits of using a headless browser is that it is much faster. This is because the browser doesn't have a Graphical User Interface (GUI), and thus there's no need to wait for the display to actually render the output:
- PhantomJS (http://phantomjs.org/) uses the WebKit web browser engine, which is the same one that is used by Safari. It is arguably the most popular headless browser today. However, activity on its repository has almost come to a halt since the middle of 2016.
- SlimerJS (https://slimerjs.org/ ...
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