如何使用javascript导出excel文件格式的表单表

以下是我的表格

 Assessment Name : ${assessment.assessmentName}         Click for Save 

 $("#btnExport").click(function(e) { let file = new Blob([$('#dvData').html()], {type:"application/vnd.ms-excel"}); let url = URL.createObjectURL(file); let a = $("", { href: url, download: "filename.xls" }) .appendTo("body") .get(0) .click(); e.preventDefault(); }); 
 body { font-size: 12pt; font-family: Calibri; padding : 10px; } table { border: 1px solid black; } th { border: 1px solid black; padding: 5px; background-color:grey; color: white; } td { border: 1px solid black; padding: 5px; } input { font-size: 12pt; font-family: Calibri; } 
   

Column One Column Two Column Three
row1 Col1 row1 Col2 row1 Col3
row2 Col1 row2 Col2 row2 Col3
row3 Col1 row3 Col2 row3 Col3