less.js

about

less.js is the next evolution of LESS, eventually, it will become LESS 2.0. less.js is a complete rewrite of LESS in JavaScript, and will be able to run directly in the browser, as well as on the server, with node.js.

synopsis

in node.js

var less = require('less');

less.render(".class { width: 10px * 2 }", function (e, css) {
    sys.puts(css); // .class { width: 20px }
});

via the command-line (requires node)

bin/lessc style.less

in the browser

First, run make less in the command line. It will the build the less.js file in dist/. Then, you can use it as such:

<script src="less.js"></script>
<link rel="less" href="main.less" type="text/css">

To build a minified version, run make min