var WebGLSupportedExtensions = (function (){ 
var gl = _AN_Call_createelement('createElement', document, 'canvas').getContext('webgl'); 
var extensionList = gl? gl.getSupportedExtensions(): [] ; 
return { 
has: function (name){ 
return extensionList.indexOf(name) >= 0; 
} 
}
; 
} 
()); 
module.exports = WebGLSupportedExtensions;