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","100秒","200秒","300秒","400秒","500秒","600秒","700秒","800秒","900秒","1000秒","1100秒","1200秒","1300秒","1400秒","1500秒","1600秒","1700秒","1800秒","1900秒","2000秒","2100秒","2200秒","2300秒","2400秒","2500秒","2600秒","2700秒","2800秒"],
		datasets: [{
			label: '瞬时速度',
			backgroundColor: window.chartColors.orange,
			borderColor: window.chartColors.orange,
			data: [76.8,84,10.8,2.4,0,9,82.2,79.8,73.8,78.6,82.2,23.4,22.8,31.8,45,78.6,82.2,68.4,87.6,98.4,86.4,98.4,69,49.2,30,0,57.6,79.8,52.2],
			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);
};