CSS Object Model

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The CSS Object Model is a set of APIs allowing to manipulate CSS from JavaScript. It is the pendant of DOM and HTML APIs, but for CSS. It allows to read and modify CSS style dynamically.

Reference

Several other interfaces are also extended by the CSSOM-related specifications: Document, Window, Element, HTMLElement, HTMLImageElement, Range, MouseEvent, and SVGElement.

Tutorials

Specifications

Specification Status Comment
CSS Object Model (CSSOM) Working Draft  
CSS Object Model (CSSOM) View Module Working Draft  
Screen Orientation API Working Draft  
CSS Fonts Module Level 3 Candidate Recommendation  
CSS Animations Working Draft  
CSS Transitions Working Draft  
CSS Custom Properties for Cascading Variables Module Level 1 Working Draft  
CSS Conditional Rules Module Level 3 Candidate Recommendation  
CSS Device Adaptation Working Draft  
CSS Counter Styles Level 3 Candidate Recommendation  

Browser compatibility notes

All these features have been added little by little over the years to the different browsers: it was a quite complex process that can't be summarized in a simple table. Please refer to the specific interfaces for its availability.

Document Tags and Contributors

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Contributors to this page: fscholz, teoli, Brettz9
Last updated by: fscholz,