README.md

image-set polyfill

Polyfill for css4 function image-set() (http://dev.w3.org/csswg/css-images/#image-set-notation)

Install

You can install image-set-polyfill with bower or with npm:

bower:

bower install --save image-set-polyfill

npm:

npm install --save image-set-polyfill

Usage

You should only include image-set-polyfill.js on your page

<script type="text/javascript" src="image-set-polyfill.min.js"></script>

Supports

CSS styles

.smart-image 
{
    background-image:  -webkit-image-set(
        url('http://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Cat_poster_2.jpg/297px-Cat_poster_2.jpg') 1.0x,
        url('http://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Cat_poster_2.jpg/594px-Cat_poster_2.jpg') 2.0x
    );
}

Inline styles

<div style="background-image: -webkit-image-set(url(lowdpi.png) 1.0x, url(highydpi.png) 2.0x )"></div>