https://www.codelinaro.org/js/custom.js

1function generatePDF(elid, filename = "report") {
2  // Choose the element that our invoice is rendered in.
3  const element = document.getElementById(elid)
4  //   // Choose the element and save the PDF for our user.
5  //   html2pdf().from(element).save()
6
7  //   var opt = {
8  //     margin: 1,
9  //     filename: "myfile.pdf",
10  //     image: { type: "jpeg", quality: 0.98 },
11  //     html2canvas: { dpi: 192, letterRendering: true },
12  //     jsPDF: { unit: "in", format: "letter", orientation: "portrait" },
13  //   }
14
15  var opt = {
16    margin: 1,
17    filename: filename + ".pdf",
18    image: { type: "jpg", quality: 0.98 },
19    html2canvas: { scale: 3, y: 0, scrollY: 0 },
20    // jsPDF: { format: "A4" },
21    jsPDF: { format: "letter", orientation: "portrait" },
22  }
23
24  // Choose the element and save the PDF for our user.
25  html2pdf(element, opt)
26}
27
28function getOuterHtml(tableID) {
29  var tableSelect = document.getElementById(tableID)
30  var tableHTML = tableSelect.outerHTML.replace(/ /g, "%20")
31  return tableHTML
32}
33
34function exportTableToExcel(tableID, tableHTML = "", filename = "") {
35  var downloadLink
36  var dataType = "application/vnd.ms-excel"
37  if (tableHTML == "") {
38    // var tableSelect = document.getElementById(tableID)
39    // tableHTML = tableSelect.outerHTML.replace(/ /g, "%20")
40    tableHTML = getOuterHtml(tableID)
41  }
42
43  // Specify file name
44  filename = filename ? filename + ".xlsx" : "excel_data.xlsx"
45
46  // Create download link element
47  downloadLink = document.createElement("a")
48
49  document.body.appendChild(downloadLink)
50
51  if (navigator.msSaveOrOpenBlob) {
52    var blob = new Blob(["\ufeff", tableHTML], {
53      type: dataType,
54    })
55    navigator.msSaveOrOpenBlob(blob, filename)
56  } else {
57    // Create a link to the file
58    downloadLink.href = "data:" + dataType + ", " + tableHTML
59
60    // Setting the file name
61    downloadLink.download = filename
62
63    //triggering the function
64    downloadLink.click()
65  }
66}