Analyzing JavaScript Files for Bug Bounty Hunters

What is JS?

Javascript is a client-side object-oriented scripting language. In essence, this has several meanings:

• Client-side, it runs on the computer of the client (victim)
• Object-oriented (Programming term)
• Scripting language, this means cross-site scripting is also possible

Developers have used this over the years to make static websites a bit more interactive and beautiful with things like javascript image carrousels but also XHR…