langBuild=require("cj-lang-build");langBuild.xlsToJson({input: "sample.xls",// input xlsoutput: "output.json",// output jsonsheet: "sheetname",// specific sheetnamerowsToSkip: 5// number of rows to skip at the top of the sheet; defaults to 0},function(err,result){if(err){console.error(err);}else{console.log(result);}});