(TCS 492)
UNIT-4
B. Tech
2nd Year (4th semester) (Group 1)
REHAN, Assistant Professor
9548283808
, Java Script
• JavaScript is one of the 3 languages all web
developers must learn:
1. HTML to define the content of web pages
2. CSS to specify the layout of web pages
3. JavaScript to program the behavior of web
pages
,• JavaScript is a programming language that
adds interactivity to your website.
• This happens in games, in the behavior of
responses when buttons are pressed or with
data entry on forms; with dynamic styling;
with animation, etc.
, • JavaScript is a crucial language in the field of
cybersecurity, mainly because of its extensive use
on the web.
• For cybersecurity professionals, understanding
JavaScript is important for several reasons,
including the ability to analyze and mitigate client-
side security risks, understand attack vectors such
as XSS (Cross-Site Scripting) and perform security
testing and code reviews effectively.