add export cluster link to body (needed for Firefox)
@@ -397,7 +397,9 @@ ClusteringDialog.prototype._export = function() {
var link = document.createElement('a');
link.href = 'data:' + data;
link.download = "clusters_" + projectName + "_" + columnName + "_" + timeStamp + ".json";
+ document.body.appendChild(link);
link.click();
+ document.body.removeChild(link);
};
ClusteringDialog.prototype._dismiss = function() {
