A lot happens between the first HTTP request and the final delivery of a web page. Data transmission and the browser’s rendering pipeline require a lot of different technologies, one of them is the CSS Object Model, or the CSSOM.
The CSS Object Model takes the CSS code, and renders every selector into a tree structure for easier parsing. Perhaps it’s not crucial for developers to fully understand this concept, but it’s a valuable topic to study if you want to learn more about how browsers render code into a working website.
In this post, I’m going to cover the basics of the CSS Object Model, and show you how it works.
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