根据Chart.js文档,我正在尝试绘制一个小图表:
<canvas id="myChart" width="400" height="400"></canvas>
<script>
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
type: 'line',
data: {
labels:['15-2016','16-2016','17-2016',],
datasets:[
{
label:'Yes',
data:[3.4884,1.1628,1.3514,],
backgroundColor:'rgba(75,192,192,1)',
borderColor:'rgba(75,192,192,1)',
pointRadius:0
},
{
label:'Maybe',
data:[0.5571,1.3298,0.791,],
backgroundColor:'rgba(255,206,86,1)',
borderColor:'rgba(255,206,86,1)',
pointRadius:0
},
{
label:'No',
data:[0,0,0,],
backgroundColor:'rgba(255,99,132,1)',
borderColor:'rgba(255,99,132,1)',
pointRadius:0
}
]
}
});
</script>
然而,当页面被渲染时,画布会以某种方式变得
<canvas style="height: 929px; width: 929px;" id="myChart" width="1858" height="1858"></canvas>
对于我的需求来说,它太大了。我该如何设置画布的宽度和高度以符合我的要求?