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Dev tools · December 4, 2010

CM

CSS Meta-Language in Javascript

This was an attempt to make css more accessible to javascript. It just happened to solve a lot of the same problems as less and sass as a side-effect. I'll start with a few examples and then break out the code and explain it... Here's a generic example: css // Begin CSS ( "selector1" ) ({ property1: value, property2: value, // ... }) ( "selector2" ) ({ property1: value, property2: value, // ... }) ; // End CSS Some less and sass features (Variables, Mixins, etc.): // Variable var text_color = "black"; // Mixin var dim = function( w, h ) { return { width: w, height: h, } }; css // Begin CSS (…

CSS Meta-Language in Javascript launched on December 4, 2010 with 10 votes, #30 of 98 launches that month and more than 50% of that year's launches.

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In plain words

CSS Meta-Language in Javascript is a tool that writes CSS using JavaScript syntax, making stylesheets more accessible to developers familiar with JavaScript. It supports variables, mixins, and other features similar to Less and Sass. The tool allows developers to modify styles dynamically at runtime using JavaScript logic, bridging CSS and JavaScript programming approaches within a single language.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

This was an attempt to make css more accessible to javascript. It just happened to solve a lot of the same problems as less and sass as a side-effect. I'll start with a few examples and then break out the code and explain it... Here's a generic example: css // Begin CSS ( "selector1" ) ({ property1: value, property2…

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