In case you're curious, here's a JSON serialization of the development edition of Modernizr loaded into a Windows 8 Web Application.

Windows 8 App Platform Modernizr Output.json

{
  "_version" : "2.6.2",
  "applicationcache" : true,
  "audio" : true,
  "backgroundsize" : true,
  "borderimage" : false,
  "borderradius" : true,
  "boxshadow" : true,
  "canvas" : true,
  "canvastext" : true,
  "cssanimations" : true,
  "csscolumns" : true,
  "cssgradients" : true,
  "cssreflections" : false,
  "csstransforms" : true,
  "csstransforms3d" : true,
  "csstransitions" : true,
  "draganddrop" : true,
  "flexbox" : true,
  "flexboxlegacy" : false,
  "fontface" : true,
  "generatedcontent" : true,
  "geolocation" : true,
  "hashchange" : true,
  "history" : true,
  "hsla" : true,
  "indexeddb" : true,
  "inlinesvg" : true,
  "input" : { "autocomplete" : true,
      "autofocus" : true,
      "list" : true,
      "max" : true,
      "min" : true,
      "multiple" : true,
      "pattern" : true,
      "placeholder" : true,
      "required" : true,
      "step" : true
    },
  "inputtypes" : { "color" : false,
      "date" : false,
      "datetime" : false,
      "datetime-local" : false,
      "email" : true,
      "month" : false,
      "number" : true,
      "range" : true,
      "search" : true,
      "tel" : true,
      "time" : false,
      "url" : true,
      "week" : false
    },
  "localstorage" : true,
  "multiplebgs" : true,
  "opacity" : true,
  "postmessage" : true,
  "rgba" : true,
  "sessionstorage" : true,
  "smil" : false,
  "svg" : true,
  "svgclippaths" : true,
  "textshadow" : true,
  "touch" : false,
  "video" : true,
  "webgl" : false,
  "websockets" : true,
  "websqldatabase" : false,
  "webworkers" : true
}