Chapter 1. JavaScript and the Web

First of all, welcome to the book! In this chapter, I will give a very high-level overview of JavaScript, such as some of the basic things it can do on the Web both on the client side and on the server side. After that, I will dive into some of the basic examples of JavaScript security issues.

Here's what we will learn in this chapter:

  • The relationship of JavaScript with HTML/CSS
  • Some basic usage of jQuery, a popular JavaScript library
  • A high-level overview of JavaScript security

JavaScript and your HTML/CSS elements

JavaScript provides behavior to your web pages. From changing your HTML elements' positioning to performing Ajax operations, there are many things that JavaScript can do now compared to just a few years ...

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