//= require modernizr // Requires a Modernizr build with `canvastext` included // www.modernizr.com/download/#-canvas-canvastext Modernizr.addTest('emoji', function() {

if (!Modernizr.canvastext) return false;
var node = document.createElement('canvas'),
    ctx = node.getContext('2d');
ctx.textBaseline = 'top';
ctx.font = '32px Arial';
ctx.fillText('\ud83d\ude03', 0, 0); // "smiling face with open mouth" emoji
return ctx.getImageData(16, 16, 1, 1).data[0] !== 0;

});