Chart.js Doughnut Chart Not Properly Work

I am trying to use chart.js Doughnut chart. my JSON data is properl fetch from data base. But at the fill time of value chart will not display. If i am pasting example code static

Solution 1:

i have done by using this just do this, i'm pasting my code

var doughnutData="";
    $.ajax({
        type : "POST",
        url : contextPath + '/common/action', //contextPath for dynamic
        dataType : 'json',
        data : {predictionID:oID},
        success : function(data) {
            var id=newArray();
            var name=newArray();

            for ( var i = 0; i < data.properties.length; i++) {
                id[i]= data.properties[i].id;
                name[i]= data.properties[i].name;
            }

             doughnutData = [
                {
                    value: id[0],
                    color:"#F7464A",
                    highlight: "#FF5A5E",
                    label: name[0]
                },
                {
                    value: id[1],
                    color: "#46BFBD",
                    highlight: "#5AD3D1",
                    label: name[1]
                },
                {
                    value: id[2],
                    color: "#FDB45C",
                    highlight: "#FFC870",
                    label: name[2]
                },
                {
                    value: id[3],
                    color: "#949FB1",
                    highlight: "#A8B3C5",
                    label: name[3]
                },
                {
                    value: id[4],
                    color: "#4D5360",
                    highlight: "#616774",
                    label: name[4]
                }
            ];
            var ctx = document.getElementById("canvas").getContext("2d");
            window.myDoughnut = newChart(ctx).Doughnut(doughnutData, {responsive : true});
        }
    });

so just declare doughnutData variable global and remove windows.load function and just remain internal code. that's it