window.chartColors = {
	red: 'rgb(255, 99, 132)',
	orange: 'rgb(255, 159, 64)',
	yellow: 'rgb(255, 205, 86)',
	green: 'rgb(75, 192, 192)',
	blue: 'rgb(54, 162, 235)',
	purple: 'rgb(153, 102, 255)',
	grey: 'rgb(201, 203, 207)'
};

var config = {
	type: 'line',
	data: {
		labels: ["0秒","75秒","150秒","225秒","300秒","375秒","450秒","525秒","600秒","675秒","750秒","825秒","900秒","975秒","1050秒","1125秒","1200秒","1275秒","1350秒","1425秒","1500秒","1575秒","1650秒","1725秒","1800秒","1875秒","1950秒","2025秒","2100秒"],
		datasets: [{
			label: '瞬时速度',
			backgroundColor: window.chartColors.orange,
			borderColor: window.chartColors.orange,
			data: [48,42.4,56,49.6,37.6,48.8,39.2,52,34.4,32,31.2,24.8,26.4,46.4,33.6,51.2,44.8,37.6,43.2,49.6,41.6,42.4,45.6,27.2,44.8,52.8,38.4,36.8,3.2],
			fill: false,
		}]
	},
	options: {
		responsive: true,
		title: {
			display: false,
			text: '打字速度曲线'
		},
		tooltips: {
			mode: 'index',
			intersect: false,
		},
		hover: {
			mode: 'nearest',
			intersect: true
		},
		scales: {
			xAxes: [{
				display: true,
				scaleLabel: {
					display: true,
					labelString: '时间'
				}
			}],
			yAxes: [{
				display: true,
				scaleLabel: {
					display: true,
					labelString: '速度'
				}
			}]
		}
	}
};


window.onload = function() {
	var ctx = document.getElementById('canvas').getContext('2d');
	window.myLine = new Chart(ctx, config);
};