nl_tokens: #if ! ( FIREFOX || MOZCENTRAL || B2G || CHROME ) // Lazy test if the userAgant support CanvasTypedArrays
pl_tokens: function hasCanvasTypedArrays ( ) { var canvas = document . createElement ( 'canvas' ) ; canvas . width = canvas . height = 1 ; var ctx = canvas . getContext ( '2d' ) ; var imageData = ctx . createImageData ( 1 , 1 ) ; return ( typeof imageData . <mask> . buffer !== 'undefined' ) ; }