Java script for Export Excel is not working

Export to Excel function is not working, its not coming anything when i clicked the button, pls help me

<script>
function ExportToExcel(type, fn, dl) 
  {
            var elt = document.getElementById('table');
            var wb = XLSX.utils.table_to_book(elt, { sheet: "sheet1" });
            return dl ?
                XLSX.write(wb, { bookType: type, bookSST: true, type: 'base64' }) :
                XLSX.writeFile(wb, fn || ('Report generated.' + (type || 'xlsx')));
  }
  
</script>
<div class="w3-row-padding" >
				<p class="w3-center">		
					<input class="w3-button w3-theme-d5 w3-center w3-round-xlarge w3-hover-light-blue" type="Submit" name="export" value="Export to Excel" class="button" onClick="ExportToExcel('xlsx')">
				
				</p>			
		    </div>

Yes sir. I am very new to java script, if you give the code what i have change means it is most useful to understand sir.

This is my full code, I can’t able to jump to next page onclick the dashboard button and can’t able to excel export . pls correct the code if i click the button nothing was happening here sir.

SUHAM Programme - CHNP MIS

.full-height {
height: 100%;

}

  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
  <meta name="viewport" content="width=device-width, initial-scale=1">

	<link rel="stylesheet" href="./css/w3.css">
	<link rel="stylesheet" href="./css/w3-theme-blue.css">
	<style>
	
			hr.solid {
						border-top: 15px solid #fff;
						background-color:#0b78d1
					 }
	</style>

<%@page import = “java.sql.DriverManager,java.sql.Connection,java.sql.Statement,java.sql.ResultSet,java.sql.SQLException, java.util.Vector” %>

X
Menu
		<%
	
		Statement stmt = null;
		Connection con = null;
		ResultSet rsT = null;

  	boolean errFlag = false;
	String str = null;	

	
		%>			
		<a class="w3-bar-item w3-button" href="rept1.jsp">CHNP Dashboard</a>
		<a class="w3-bar-item w3-button" href="rept2.jsp">WASH Dashboard</a>
		<a class="w3-bar-item w3-button" href="rept3.jsp">MCD Dashboard</a>
		<a class="w3-bar-item w3-button" href="rept4.jsp">COVID-19</a>
		<a class="w3-bar-item w3-button" href="Login.jsp">Log out</a> 				
	  <button class="w3-bar-item w3-button w3-xlarge w3-theme-d4" onclick="openSidebar()">&#9776;</button>
	  <h3>CHNP MIS Reports Section</h3>
	</header> 		
	<div class="w3-cell-row">
		<div class="  w3-cell  w3-center w3-theme-d2" >
			<label>	Reports - CHNP MIS </label>
		</div>
	</div>
	<%
    
  stmt = (Statement) session.getValue("STMT");
  if(stmt == null)
  {
  %> <center><h2><font color=red>Session time out error, Press 'F5' to refresh</h2></center> <% 
  return;
  }	  
  %>
		<div class="w3-row-padding" >
		
			<p class="w3-center">		
				<input class="w3-button w3-theme-d5 w3-center w3-round-xlarge w3-hover-light-blue" type="Submit" name="export" value="Export to Excel" class="button" onClick="ExportToExcel('xlsx')">				
					
				<input type="Submit" name="dashboard" value="View Dashboard" class="w3-button w3-theme-d5 w3-center w3-round-xlarge w3-hover-light-blue" onClick="clicks()">
				
			</p>			
	    </div>
		
		<div class="w3-row-padding" class="w3-center" style="border:1px solid black;width:auto;height:80%;overflow:scroll;">
		<form name="report" id="report" >
		<table id="report" name="table1" align="center" cellpadding="4" cellspacing="4">

<%

					<td><center><%=intrepaid20%></center></td>
					<td><center><%=intrepaid21%></center></td>
					<td><center><%=intrepaid22%></center></td>
					<td><center><%=memcode%></center></td>
				  
				  </tr>
				 <%						
				}
				rsT.close();
			%>				
			</table>			
			</form>	</div>				
			<%				
					
	    stmt = null;
        con = null;
        rsT = null;  
  }
	  
  catch(SQLException sqle)
  {
     str = "<h2>Error : " + sqle + "</h2>";	
     errFlag = true;
  }

%>



CHNP MIS Reports Page