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  1. Copilot Answer
    12

    To convert an Excel table to JavaScript code, you can use the SheetJS library to read the Excel file and generate an HTML table. This approach does not require any server-side scripts or uploading.

    Example

    HTML

    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Excel to HTML Table</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
    <script defer src="excel-to-html.js"></script>
    </head>
    <body>
    <input type="file" id="fileInput" accept=".xls,.xlsx">
    <table id="excelTable"></table>
    </body>
    </html>

    JavaScript (excel-to-html.js)

    document.getElementById("fileInput").onchange = (event) => {
    const reader = new FileReader();

    reader.onload = (e) => {
    const data = new Uint8Array(e.target.result);
    const workbook = XLSX.read(data, { type: "array" });
    const firstSheetName = workbook.SheetNames[0];
    const worksheet = workbook.Sheets[firstSheetName];
    const table = document.getElementById("excelTable");
    table.innerHTML = XLSX.utils.sheet_to_html(worksheet);
    };

    reader.readAsArrayBuffer(event.target.files[0]);
    };

    Explanation

    1. HTML: The HTML file includes an input element for selecting the Excel file and an empty table to display the data.

    2. JavaScript: The JavaScript code uses the FileReader API to read the selected Excel file and the SheetJS library to parse it. The parsed data is then converted into an HTML table and displayed on the webpage.

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    How to export html table to excel using javascript
    Stack Overflow
    How to export HTML table to excel using sheetjs?
    In Internet Explorer ie browser using SheetJS, we can easily export HTML table data to excel. With the SheetJs library, we can export the Html table to Xlsx with formatting. Conclusion: Here using SheetJS we can export the Html table into an excel file.
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