Chart.js棒チャート(Bar)

棒チャート(Bar)です。
var ctx = document.getElementById('mychart-bar');
var myChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ['Sun', 'Mon', 'Tue'],
datasets: [{
label: 'Red',
data: [25, 35, 40],
backgroundColor: '#f88',
}, {
label: 'Green',
data: [20, 10, 30],
backgroundColor: '#484',
}, {
label: 'Blue',
data: [30, 20, 15],
backgroundColor: '#48f',
}],
},
});