离开画布时，chartjs 工具提示被切断

var ctx = document.getElementById("myChart").getContext('2d');var myChart = new Chart(ctx, {类型:'线'，数据: {标签:['一月'，'二月'，'三月'，'四月'，'五月'，'六月'，'七月'，'八月'，'九月']，数据集:[{标签:'标准评级'，数据:[0.1, 0.02, 3, 4, 5, 6, 7, 8, 9],backgroundColor: 'rgba(209, 230, 245, 0.5)',borderColor: 'rgba(56, 163, 236, 1)',边框宽度:1}]},选项: {布局: {填充:{底部:25//最适合的设置}},响应:错误，工具提示:{yAlign: '顶部'}}});

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></脚本><canvas id="myChart" width="350" height="200"></canvas>

var ctx = document.getElementById("myChart").getContext('2d');
var myChart = new Chart(ctx, {
   type: 'line',
   data: {
      labels: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sept'],
      datasets: [{
         label: 'Standard Rating',
         data: [0.1, 0.02, 3, 4, 5, 6, 7, 8, 9],
         backgroundColor: 'rgba(209, 230, 245, 0.5)',
         borderColor: 'rgba(56, 163, 236, 1)',
         borderWidth: 1
      }]
   },
   options: {
      layout: {
         padding: {
            bottom: 25  //set that fits the best
         }
      },
      responsive: false,
      tooltips: {
         yAlign: 'top'
      }
   }
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script>
<canvas id="myChart" width="350" height="200"></canvas>