highsrc

jquery.highsrc.js

// A very mini jQuery highsrc plugin
// 
// By Zach Inglis, edited by Pete Duncanson to make HTML5 friendly ish
// 
// Example:
//    <img src="logo.png" data-highsrc="logo.svg" />
// 
$(document).ready(function () {
  if ( window.devicePixelRatio && window.devicePixelRatio > 1.5 ) {
    jQuery("img[data-highsrc]").each(function() {
      $(this).attr('src', $(this).attr('data-highsrc'));
    });
  }
});