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Dynamic Chart in Vue Chart component

20 Jul 2021 / 2 minutes to read

By using html button, you can add the chart dynamically when click the button.

To add the chart dynamically through button click, follow the given steps:

Step 1:

Initially create the html button.

Then create chart inside of button onClick function. Now click the button charts will render based on click count.

The following code sample demonstrates the output.

Source
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app.vue
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<template>
  <div id="app">
    <ejs-button @click.native="addChart">Add Chart</ejs-button>
  </div>
</template>

<script>
import Vue from 'vue';
import { ButtonPlugin } from '@syncfusion/ej2-vue-buttons';
import { Chart } from "@syncfusion/ej2-charts";
import { ChartPlugin, LineSeries, Category, Selection, Series, Tooltip } from "@syncfusion/ej2-vue-charts";
Chart.Inject(LineSeries);

Vue.use(ChartPlugin);
Vue.use(ButtonPlugin);
var count = 1;
export default {
  data () {
    return {
      seriesData: [
        { x: 1, y: 21 }, { x: 2, y: 24 },
        { x: 3, y: 36 }, { x: 4, y: 38 },
        { x: 5, y: 54 }, { x: 6, y: 57 },
        { x: 7, y: 70 }
      ],
      title: "Inflation - Consumer Price"
    }
  },
  provide: {
    chart: [LineSeries]
  },
  methods: {
    addChart: function(e) {
      var chartEle = document.createElement('div');
      chartEle.id = 'container' + count;
      document.getElementsByTagName('body')[0].appendChild(chartEle);

      let chart = new Chart({
          series: [{
              type: 'Line', xName: 'x', width: 2, marker: { visible: true },
              yName: 'y', name: 'Germany',
              dataSource: [{ x: 1, y: 21 },{ x: 2, y: 24 },{ x: 3, y: 36 },
                      { x: 4, y: 38 },{ x: 5, y: 54 },{ x: 6, y: 57 },{ x: 7, y: 70 }],
              }],
          title: 'Inflation - Consumer Price', tooltip: { enable: true }, height:'400', width: '800'
      });
      chart.appendTo('#' + chartEle.id);
      count++;
    }
  }
}
</script>

<style>
  @import '../node_modules/@syncfusion/ej2-base/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
</style>