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A tool for efficient programmatic definition & management of CSS rules scoped to specific DOM elements.

Some explanation → slides

Installation

npm install mutantsss

Usage

Standalone

<scriptsrc="mutantsss.js"></script><script>varclockElement=document.querySelector('.clock');$$$('.now').style('content',newDate().toString());$$$('.now',clockElement).style('content',newDate().toString());$$$(clockElement).select('.now').style({content: newDate().toString()});</script>

Module

var$$$=require('mutantsss');// use same API as with standalone usage