chamilo-lms/web/assets/modernizr/feature-detects/blob-constructor.js

// Blob constructor
// http://dev.w3.org/2006/webapi/FileAPI/#constructorBlob

Modernizr.addTest('blobconstructor', function () {
    try {
        return !!new Blob();
    } catch (e) {
        return false;
    }
});