Changes

To fully understand the power of JavaScript it is first necessary to understand Cascading Style Shhets (CSS). If you are already familiar with CSS then you can safely skip this chapter and move on to the next chapter ([[JavaScript and CSS]]). Whole books have been dedicated to learning CSS and there is far more to CSS than can be covered in this chapter. The purpose of this chapter, therefore, is to provide a basic understanding of CSS and convey enough information to enable you to work with CSS and javaScript toegtehr to create dynamic style and layout changes to your web pages. == What are Cascading Style Sheets for? ==