show values in graph

[NA]

i want to show my graph values but its show null output. i show you in image output also

// JavaScript Document
$(document).ready(function(){
    $.ajax({
        url: "data.php",
        method: "GET",
        success: function(data) {
            console.log(data);
            var playerid = [];
            var score = [];

            for(var i in data) {
                playerid.push("Player " + data[i].playerid);
                score.push(data[i].score);
            }

            var chartdata = {
                labels: playerid,
                datasets : [
                    {
                        label: 'Player Score',
                        backgroundColor: 'rgba(200, 200, 200, 0.75)',
                        borderColor: 'rgba(200, 200, 200, 0.75)',
                        hoverBackgroundColor: 'rgba(200, 200, 200, 1)',
                        hoverBorderColor: 'rgba(200, 200, 200, 1)',
                        data: score
                    }
                ]
            };

            var ctx = $("#mycanvas");

            var barGraph = new Chart(ctx, {
                type: 'bar',
                data: chartdata
            });
        },
        error: function(data) {
            console.log(data);
        }
    });
});

[stultuske]

this is javascript, not java. You may want to update your tags, so it is shown in the correct subforum.