JavaScript
JavaScript often abbreviated as JS, is a programming language that conforms to the ECMAScript specification. JavaScript is high-level, often just-in-time compiled, and multi-paradigm. It has curly-bracket syntax, dynamic typing, prototype-based object-orientation, and first-class functions.
Alongside HTML and CSS, JavaScript is one of the core technologies of the World Wide Web. JavaScript enables interactive web pages and is an essential part of web applications. The vast majority of websites use it for client-side page behavior] and all major web browsers have a dedicated JavaScript engine to execute it.
Intro to Python
Python is a powerful general-purpose programming language. It is used in
web development, data science, creating software prototypes, and so on.
Fortunately for beginners, Python has simple easy-to-use syntax. This
makes Python an excellent language to learn to program for beginners.
Shell Scripting
A shell script is a computer program designed to be run by the
Unix shell, a command-line interpreter. The various dialects of shell
scripts are considered to be scripting languages. Typical operations
performed by shell scripts include file manipulation, program execution,
and printing text.