//= require modernizr // data uri test. // github.com/Modernizr/Modernizr/issues/14

// This test is asynchronous. Watch out.

// in IE7 in HTTPS this can cause a Mixed Content security popup. // github.com/Modernizr/Modernizr/issues/362 // To avoid that you can create a new iframe and inject this.. perhaps..

(function(){

var datauri = new Image();

datauri.onerror = function() {
    Modernizr.addTest('datauri', function () { return false; });
};  
datauri.onload = function() {
    Modernizr.addTest('datauri', function () { return (datauri.width == 1 && datauri.height == 1); });
};

datauri.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";

})();