The downloaded file is only 0 KB

[biwuyi]

`$('#saveFile').bind('click', function download() { var data = generateCodeFile(); var blob = new Blob([data], { type: "application/json" }); if (window.cordova && cordova.platformId !== "browser") { document.addEventListener("deviceready", function() { var folderPath = cordova.file.externalCacheDirectory; window.resolveLocalFileSystemURL( folderPath, function(dir) { dir.getFile( "my.cube", { create: true }, function (file) { file.createWriter( function (fileWriter) { fileWriter.write(new Blob(['some file data'], { type: 'text/plain' }));

                            fileWriter.onwriteend = function () {
                                alert(blob)
                            };

                            fileWriter.onerror = function (err) {
                                alert("Unable to download2");
                                console.error(err);
                            };
                            },
                            function (err) {
                            // failed
                            alert("Unable to download3");
                            console.error(err);
                            }
                            );
                        },
                        function (err) {
                        alert("Unable to download4");
                        console.error(err);
                        }
                    );
                    },
                function(err) {
                alert("Unable to download5");
                console.error(err);
                }
            );
        });
    } else {
        saveAs(blob, "my.cube");
    }
});`