sapui5 - error:Syntax Error:ESLint(syntax-parse):unexpected identifier javascript -

download: function(oevent) {     var surl = "/sap/opu/odata/sap/zdemo_gw_srv_srv/salesorderset?$format=xlsx";     var encodeurl = encodeuri(surl);     sap.m.urlhelper.redirect(encodeurl, true); } 

i writing code in sapui5 cloud services throwing following error on first line:

error:syntax error:eslint(syntax-parse):unexpected identifier javascript

you need append comma after closing bracket of oninit.

oninit: function() { },  download : function() { } 

beside download bad name function.