Doughnut Chart in chart.js

HTML

<script src="http://www.chartjs.org/assets/Chart.js"></script>
<canvas id="myChart" width="400" height="400"></canvas>

JavaScript

var data = [{
        value: 18,
        color: "#D82C8C",
        label:"Grade K"
    }, {
        value: 10,
        color: "#17A7CF",
        label:"Grade 1"
        
    }, {
        value: 5,
        color: "#E58304",
        label:"Grade 2"
    }, {
        value: 5,
        color: "#73C82E",
        label:"Grade 3"
    }
    ]

    var options = {
        animation: false
    };

    var c = $('#myChart');
    var ct = c.get(0).getContext('2d');
    var ctx = document.getElementById("myChart").getContext("2d");

    myNewChart = new Chart(ct).Doughnut(data, options);