JS
var ctx = document.getElementById("pie_chart").getContext('2d');
var myChart = new Chart(ctx, {
type: 'pie',
data: {
labels: ['Point 1', 'Point 2', 'Point 3', 'Point 4'],
datasets: [{
labels: "Pie chart",
data: [20, 50, 40, 30],
backgroundColor: ["red", "blue", "orange", "green"]
}]
}
});