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How to Convert CSV to JSON in Javascript?


csv to json javascript

// Install
npm i csvtojson

// From CSV File to JSON Array
/** csv file
a,b,c
1,2,3
4,5,6
*/
const csvFilePath='<path to csv file>'
const csv=require('csvtojson')

json to csv javascript

<html>
<head>
    <title>Demo - Covnert JSON to CSV</title>
    <script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
    <script type="text/javascript" src="https://github.com/douglascrockford/JSON-js/raw/master/json2.js"></script>

    <script type="text/javascript">
        // JSON to CSV Converter
        function ConvertToCSV(objArray) {
            var array = typeof objArray != 'object' ? JSON.parse(objArray) : objArray;
            var str = '';

            for (var i = 0; i < array.length; i++) {
                var line = '';
                for (var index in array[i]) {
                    if (line != '') line += ','

                    line += array[i][index];
                }

                str += line + '\r\n';
            }

            return str;
        }

        // Example
        $(document).ready(function () {

            // Create Object
            var items = [
                  { name: "Item 1", color: "Green", size: "X-Large" },
                  { name: "Item 2", color: "Green", size: "X-Large" },
                  { name: "Item 3", color: "Green", size: "X-Large" }];

            // Convert Object to JSON
            var jsonObject = JSON.stringify(items);

            // Display JSON
            $('#json').text(jsonObject);

            // Convert JSON to CSV & Display CSV
            $('#csv').text(ConvertToCSV(jsonObject));
        });
    </script>
</head>
<body>
    <h1>
        JSON</h1>
    <pre id="json"></pre>
    <h1>
        CSV</h1>
    <pre id="csv"></pre>
</body>
</html>


Conclusion

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