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Constructing the Object Model | Web Fundamentals | Google Developers

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Learn how the browser constructs the DOM and CSSOM trees.

Home Articles Constructing the Object Model Stay organized with collections Save and categorize content based on your preferences. Ilya Grigorik Published: March 31, 2014 Before the browser can render the page, it needs to construct the DOM and CSSOM trees. As a result, we need to ensure that we deliver both the HTML and CSS to the browser as quickly as possible. Summary Bytes → characters → tokens → nodes → object model. HTML markup is transformed into a Document Object Model (DOM); CSS markup is transformed into a CSS Object Model (CSSOM). DOM and CSSOM are independent data structures. Chrom

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