cssvar-interaction

A tiny JS powered NPM package to set/update CSS variables using eventListeners.

Installation

Install using (Node Package Manager):

npm install cssvar-interaction --save

Usage:

For examples on CSS variables see the (MDN web docs)

• Write some CSS using CSS variable --x and multiply it by 1 unit of measurement using calc().

  calc( var(--x) * 1px )

• Apply it to a transform statement with any option:

  transform: translateX(calc(var(--x) * 1px));

• use it on any CSS selector:

  div {
    transition: all linear 1s;  
    transform: translateX(calc(var(--x) * 1px));
  }
  

• Include the Eventlisteners into your document:

  <script src="node_modules/cssvar-interation/dist/index.js" />

Examples:

Run npm run test --prefix node_modules/cssvar-interaction in the root of your project to open an HTML demo page with some examples.