© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
J. SimpsonHow JavaScript Works https://doi.org/10.1007/978-1-4842-9738-4_1

1. Introduction to JavaScript

Jonathon Simpson1  
(1)
Belfast, Antrim, UK
 

JavaScript is a programming language that first appeared in 1995 as the scripting language for the Netscape browser. Since then, it has evolved into one of the most used programming languages in the world. While its initial goal was to add interactivity to websites, it has since come to do just about everything, including creating desktop apps and back-end APIs.

JavaScript is everywhere, and over the years, many frameworks have been built on top of it, such as jQuery, React, Vue.js, and Svelte. All of this can make ...

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