Chart.js Toggle Looping tension 示例

HTML

CSS

JavaScript

HTML

<!DOCTYPE html>
<html lang="zh" >
<head>
<meta charset="UTF-8">
<title>Chart.js Toggle Looping tension</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimal-ui">
<link rel="stylesheet" type="text/css" href="http://lyear.itshubao.com/v4/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="http://lyear.itshubao.com/v4/css/style.min.css">
</head>

<body>
<div class="chart-example">
  <ul class="nav nav-tabs">
    <li class="nav-item">
      <a class="nav-link active" data-toggle="tab" href="#looping" aria-selected="true">looping-tension-[property]</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" data-toggle="tab" href="#hide-and-show" aria-selected="false">hide-and-show-[mode]</a>
    </li>
  </ul>
  <div class="tab-content">
    <div class="tab-pane fade show active" id="looping">
      <div class="chart-view"><canvas id="myChart"></canvas></div>
      <ul class="nav nav-tabs mt-3">
        <li class="nav-item">
          <a class="nav-link active" data-toggle="tab" href="#looping-config" aria-selected="true">Config</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" data-toggle="tab" href="#looping-setup" aria-selected="false">Setup</a>
        </li>
      </ul>
      <div class="tab-content">
        <div class="tab-pane fade show active tab-pane-code" id="looping-config">
          <pre>
const config = {
  type: 'line',
  data: data,
  options: {
    animations: {
      tension: {
        duration: 1000,
        easing: 'linear',
        from: 1,
        to: 0,
        loop: true
      }
    },
    scales: {
      y: { // defining min and max so hiding the dataset does not change scale range
        min: 0,
        max: 100
      }
    }
  }
};
          </pre>
        </div>
        <div class="tab-pane fade tab-pane-code" id="looping-setup">
          <pre>
const data = {
  labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
  datasets: [{
    label: 'Looping tension',
    data: [65, 59, 80, 81, 26, 55, 40],
    fill: false,
    borderColor: 'rgb(75, 192, 192)',
  }]
};
          </pre>
        </div>
      </div>
    </div>
    <div class="tab-pane fade" id="hide-and-show">
      <div class="chart-view"><canvas id="myChart2"></canvas></div>
      
      <ul class="nav nav-tabs mt-3">
        <li class="nav-item">
          <a class="nav-link active" data-toggle="tab" href="#hide-and-show-config" aria-selected="true">Config</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" data-toggle="tab" href="#hide-and-show-setup" aria-selected="false">Setup</a>
        </li>
      </ul>
      <div class="tab-content">
        <div class="tab-pane fade show active tab-pane-code" id="hide-and-show-config">
          <pre>
const config = {
  type: 'line',
  data: data,
  options: {
    transitions: {
      show: {
        animations: {
          x: {
            from: 0
          },
          y: {
            from: 0
          }
        }
      },
      hide: {
        animations: {
          x: {
            to: 0
          },
          y: {
            to: 0
          }
        }
      }
    }
  }
};
          </pre>
        </div>
        <div class="tab-pane fade tab-pane-code" id="hide-and-show-setup">
          <pre>
const data = {
  labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
  datasets: [{
    label: 'Try hiding me',
    data: [65, 59, 80, 81, 26, 55, 40],
    fill: false,
    borderColor: 'rgb(75, 192, 192)',
  }]
};
          </pre>
        </div>
      </div>
    </div>
  </div>
</div>
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<script type="text/javascript" src="http://lyear.itshubao.com/v4/js/popper.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/v4/js/bootstrap.min.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/Chart.js/4.1.1/chart.umd.min.js"></script>
</body>
</html>

CSS

body{
  background: #fff;
}
.tab-content .chart-view {
  max-width: 800px;
}
.tab-content .tab-pane-code {
  height: 360px;
  overflow: auto;
}
.tab-content .tab-pane-code pre {
  height: 100%;
  margin: 0px;
}
.chart-example {
  width: calc(100% - 2px);
  border: 1px solid #ececec;
  padding: 10px;
}

JavaScript

const data = {
  labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
  datasets: [{
    label: 'Looping tension',
    data: [65, 59, 80, 81, 26, 55, 40],
    fill: false,
    borderColor: 'rgb(75, 192, 192)',
  }]
};

const config = {
  type: 'line',
  data: data,
  options: {
    animations: {
      tension: {
        duration: 1000,
        easing: 'linear',
        from: 1,
        to: 0,
        loop: true
      }
    },
    scales: {
      y: { // defining min and max so hiding the dataset does not change scale range
        min: 0,
        max: 100
      }
    }
  }
};

const ctx = document.getElementById('myChart');

new Chart(ctx, config);

const config2 = {
  type: 'line',
  data: data,
  options: {
    transitions: {
      show: {
        animations: {
          x: {
            from: 0
          },
          y: {
            from: 0
          }
        }
      },
      hide: {
        animations: {
          x: {
            to: 0
          },
          y: {
            to: 0
          }
        }
      }
    }
  }
};

const ctx2 = document.getElementById('myChart2');

new Chart(ctx2, config2);