SteemTools v0.0.6 – Check Who Downvoted You + API Server Ping

// check who downvoted you
// search a id when press Enter
textPressEnterButtonClick($('input#downvoters_id'), $('button#downvote_btn'));
$('button#downvote_btn').click(function() {        
    let id = prepareId($('input#downvoters_id').val());
    let server = getServer();        
    server = server || default_server;
    $('div#downvoters_div').html('<img src="images/loading.gif"/>');
    if (validId(id)) {
        // disable the button while API is not finished yet.
        $('button#downvote_btn').attr("disabled", true);
        $.ajax({ 
            dataType: "json",
            url: "https://" + server + "/api/steemit/downvote/?cached&id="+id,
            cache: false,
            success: function (response) {
                let result = response;
                if (result && result.length > 0) {
                    let s = '<h4><B>' + result.length + '</B> downvotes in the past year.</h4>';
                    s += '<table id="downvote_list" class="sortable">';
                    s += '<thead><tr><th>Down-Voter</th><th>Permlink</th><th>Weight %</th><th>Time</th></tr></thead><tbody>';
                    let total = 0;
                    for (let i = 0; i < result.length; ++ i) {
                        s += '<tr>';
                        total += result[i]['weight'] / 100;
                        s += '<td>' + getSteemUrl(result[i]['voter']) + '<BR/><img style="width:75px;height:75px" src="https://steemitboard.com/@' + result[i]['voter'] + '/level.png"></td>';
                        s += '<td>' + '<a target=_blank rel=nofollow href="https://steemit.com/@' + id + '/' + result[i]['permlink'] + '">' + result[i]['permlink'] + '</a></td>';
                        s += '<td>' + (result[i]['weight']/100).toFixed(2) + '</td>';
                        s += '<td>' + result[i]['time'] + '</td>';
                        s += '</tr>';
                    }              
                    s += '<tfoot><tr>';
                    s += '<th>Total: </th><th></th><th></th><th>' + total.toFixed(2) + '</th><th></th>'; 
                    s += '</tr></tfoot>';
                    s += '</table>';                 
                    $('div#downvoters_div').html(s);
                    sorttable.makeSortable(document.getElementById("downvote_list"));
                } else {
                    $('div#downvoters_div').html("<font color=blue>It could be any of these: (1) No Deleted Comments (2) Invalid ID (3) API or SteemSQL server failed. Contact <a rel=nofollow target=_blank href='https://steemit.com/@justyy/'>@justyy</a> if you are not sure. Thanks!</font>");
                }          
            },
            error: function(request, status, error) {
                $('div#downvoters_div').html('<font color=red>API/SteemSQL Server (' + server + error + ') is currently offline. Please try again later!' + request.responseText + '</font>');
            },          
            complete: function(data) {
                // re-enable the button
                $('button#downvote_btn').attr("disabled", false);
            }
        });
    } else {
        alert('Not a Valid Steem ID.');
        $('div#downvoters_div').html('');
    }        
});