// XML HTTP Request Level 2 // www.w3.org/TR/XMLHttpRequest2/ // Much more details at github.com/Modernizr/Modernizr/issues/385 // all three of these details report consistently across all target browsers: // !!(window.ProgressEvent); // !!(window.FormData); // window.XMLHttpRequest && "withCredentials" in new XMLHttpRequest; Modernizr.addTest('xhr2', 'FormData' in window);