Export csv use like post facebook

export.js

function convertArrayOfObjectsToCSV(args) {
    var result, ctr, keys, columnDelimiter, lineDelimiter, data;

    data = args.data || null;
    if (data == null || !data.length) {
        return null;
    }

    columnDelimiter = args.columnDelimiter || ',';
    lineDelimiter = args.lineDelimiter || '\n';

    keys = Object.keys(data[0]);

    result = '';
    result += keys.join(columnDelimiter);
    result += lineDelimiter;

    data.forEach(function(item) {
        ctr = 0;
        keys.forEach(function(key) {
            if (ctr > 0) result += columnDelimiter;

            result += item[key];
            ctr++;
        });
        result += lineDelimiter;
    });

    return result;
}

function downloadCSV(args) {
    var data, filename, link;

    var csv = convertArrayOfObjectsToCSV({
        data: args.stockData
    });
    if (csv == null) return;

    filename = args.filename || 'export.csv';

    if (!csv.match(/^data:text\/csv/i)) {
        csv = 'data:text/csv;charset=utf-8,' + csv;
    }
    data = encodeURI(csv);

    link = document.createElement('a');
    link.setAttribute('href', data);
    link.setAttribute('download', filename);
    link.click();
}

function get_facebook_user_name(profile_url){
    var facebook_url = 'https://www.facebook.com/';
    var user_name = profile_url.slice(facebook_url.length, profile_url.indexOf('?')).replace("/", '');
    return user_name === 'profile.php' ? '' : user_name;
}

function get_facebook_user_data(){
    var stockData = [];
    var profile_links = document.querySelectorAll('._5i_p:not(.hidden_elem) ul li div._5j0e.fsl.fwb.fcb a');

    for (i = 0; i < profile_links.length; ++i) {
        var id = JSON.parse(profile_links[i].getAttribute('data-gt'))['engagement']['eng_tid'];
        var href = profile_links[i].getAttribute('href');
        var name = profile_links[i].text;
        stockData.push(
           {
              id: id, 
              name: name, 
              user_name: get_facebook_user_name(href),
              avartar_url: 'https://avatars.io/facebook/' + id
           }
        );
    }
    return stockData;
}


downloadCSV({filename: 'stock-data.csv', stockData: get_facebook_user_data()});

// click loadmore
// document.querySelector("._5i_p:not(.hidden_elem) .uiMorePagerPrimary").click();