Javascript 筛选客户端上的HTML表,但导出为显示整个表的CSV

Javascript 筛选客户端上的HTML表,但导出为显示整个表的CSV,javascript,html,Javascript,Html,我使用以下JS代码在客户端筛选HTML表: function searchAwards(){ var input, filter, table, tr, td, i; input = document.getElementById("firstName"); filter = input.value.toUpperCase(); table = document.getElementById("award_entry"); tr = table.getElementsByTa

我使用以下JS代码在客户端筛选HTML表:

function searchAwards(){
  var input, filter, table, tr, td, i;
  input = document.getElementById("firstName");
  filter = input.value.toUpperCase();
  table = document.getElementById("award_entry");
  tr = table.getElementsByTagName("tr");

  for (i = 0; i < tr.length; i++) {
    td = tr[i].getElementsByTagName("td")[0];
    if (td) {
      if (td.innerHTML.toUpperCase().indexOf(filter) > -1) {
        tr[i].style.display = "";
      } else {
        tr[i].style.display = "none";
      }
    } 
  }
}
这可以很好地过滤页面上的表。我还实现了几个将HTML表导出为CSV的函数。执行此功能的代码是:

function downloadCSV(csv, filename) {
    var csvFile;
    var downloadLink;

    // CSV file
    csvFile = new Blob([csv], {type: "text/csv"});

    // Download link
    downloadLink = document.createElement("a");

    // File name
    downloadLink.download = filename;

    // Create a link to the file
    downloadLink.href = window.URL.createObjectURL(csvFile);

    // Hide download link
    downloadLink.style.display = "none";

    // Add the link to DOM
    document.body.appendChild(downloadLink);

    // Click download link
    downloadLink.click();
}

function exportTableToCSV(filename) {
    var csv = [];
    var rows = document.querySelectorAll("table tr");

    for (var i = 0; i < rows.length; i++) {
        var row = [], cols = rows[i].querySelectorAll("td, th");

        for (var j = 0; j < cols.length; j++) 
            row.push(cols[j].innerText);

        csv.push(row.join(","));        
    }

    // Download CSV file
    downloadCSV(csv.join("\n"), filename);
}

这段代码向我的下载文件发送一个.csv文件,但它始终显示表中的所有记录,而不考虑在客户端上进行的过滤。是否有办法仅将客户端上显示的筛选数据发送到CSV?

确保未将隐藏/筛选的元素添加到CSV结果中:

函数exportTableToCvFileName{ var csv=[]; var rows=document.querySelectorAlltable tr; 对于变量i=0;i