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Go Web Scraping Quick Start Guide

You're reading from   Go Web Scraping Quick Start Guide Implement the power of Go to scrape and crawl data from the web

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789615708
Length 132 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Vincent Smith Vincent Smith
Author Profile Icon Vincent Smith
Vincent Smith
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Toc

Scraping JavaScript pages with chrome-protocol

In Chapter 5, Web Scraping Navigation, we looked at navigating websites that require JavaScript using selenium and the WebDriver protocol. There is another protocol that has been developed recently that offers many more features you can take advantage of to drive a web browser. The Chrome DevTools Protocol was started for use on Chrome browsers, but it has been adopted by the W3C's Web Platform Incubator Community Group as a project. The major web browsers work together to develop a standard protocol called the DevTools Protocol to adopt for all of their browsers.

The DevTools Protocol allows external programs to connect to a web browser and send commands to run JavaScript, and collect information from the browser. Most importantly, the protocol allows the program to collect the HTML on demand. This way, if you were scraping...

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