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Many websites now employ the use of bundling tool to optimize their JavaScript files during website deployment. This bundling process, which includes techniques like minification, helps improve website performance. Therefore, it is essential to familiarize ourselves with how to analyze the minified code within the browser and debug it when necessary to understand the workflow. This process can be likened to reverse engineering disassembly.
Tips:
- Before checking the minified js, you can find a way to
Pretty printit in your browser.
SaaS Hammer helps you launch products in faster way. It contains all the foundations you need so you can focus on your product.
Exercise List
Web scraping using XPath or CSS expression
Load JSON string and extract data
Not only crawl products but also handle pagination
Inspect Ajax requests and mimic them
Learn to inspect the fields of HTTP request
Scraping Infinite Scrolling Pages (Ajax)
Learn to scrape infinite scrolling pages
Make your spider can work with the cookie
Scrape data behind login form
Learn to scrape data behind a captcha
Learn how to analyze minimized or compressed javascript