Legend in Vue Chart component

3 Mar 202324 minutes to read

Legend provides information about the series rendered in the chart which can be customized using legend properties.

Position and Alignment

By using the position property, you can position the legend
at left, right, top or bottom of the chart. The legend is positioned at the bottom of the chart, by default.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true,
                position: 'Top'
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

• Custom position helps you to position the legend anywhere in the chart using x, y coordinates.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true,
                position: 'Custom',
                location: { x: 200, y: 40 }
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
#container {
     height: 350px;
 }
</style>

Legend Reverse

You can reverse the order of the legend items by using the reverse property. By default, legend for the first series in the collection will be placed first.

app.vue

<template>
  <ejs-chart
    style="display: block"
    :theme="theme"
    align="center"
    id="container"
    :title="title"
    :primaryXAxis="primaryXAxis"
    :primaryYAxis="primaryYAxis"
    :chartArea="chartArea"
    :tooltip="tooltip"
    :legendSettings="legendSettings"
  >
    <e-series-collection>
      <e-series
        :dataSource="seriesData"
        type="Column"
        xName="x"
        yName="y"
        name="Gold"
        width="2"
      >
      </e-series>
      <e-series
        :dataSource="seriesData1"
        type="Column"
        xName="x"
        yName="y"
        name="Silver"
        width="2"
      >
      </e-series>
      <e-series
        :dataSource="seriesData2"
        type="Column"
        xName="x"
        yName="y"
        name="Bronze"
        width="2"
      >
      </e-series>
    </e-series-collection>
  </ejs-chart>
</template>
<style scoped>
</style>
<script>
import Vue from "vue";
import { Browser } from "@syncfusion/ej2-base";
import {
  ChartPlugin,
  ColumnSeries,
  Category,
  DataLabel,
  Tooltip,
  Legend,
} from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default Vue.extend({
  data: function () {
    return {
      seriesData: [
        { x: "USA", y: 46 },
        { x: "GBR", y: 27 },
        { x: "CHN", y: 26 },
      ],

      seriesData1: [
        { x: "USA", y: 37 },
        { x: "GBR", y: 23 },
        { x: "CHN", y: 18 },
      ],

      seriesData2: [
        { x: "USA", y: 38 },
        { x: "GBR", y: 17 },
        { x: "CHN", y: 26 },
      ],

      //Initializing Primary X Axis
      primaryXAxis: {
        valueType: "Category",
        interval: 1,
        majorGridLines: { width: 0 },
      },
      chartArea: { border: { width: 0 } },

      //Initializing Primary Y Axis
      primaryYAxis: {
        majorGridLines: { width: 0 },
        majorTickLines: { width: 0 },
        lineStyle: { width: 0 },
        labelStyle: { color: "transparent" },
      },
      tooltip: {
        enable: true,
      },
      title: "Olympic Medal Counts - RIO",
      legendSettings: { visible: true, reverse: true },
    };
  },
  provide: {
    chart: [ColumnSeries, Legend, DataLabel, Category, Tooltip],
  },
});
</script>

Legend Alignment

You can align the legend as center, far or near to the chart using alignment property.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true, position: 'Top', alignment: 'Near'
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Customization

To change the legend icon shape, you can use legendShape property
in the series. By default legend icon shape is seriesType.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver' legendShape='SeriesType'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze' legendShape='Rectangle'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Legend Size

By default, legend takes 20% - 25% of the chart’s height horizontally, when it is placed on top or bottom position and 20% - 25% of the chart’s width vertically, when placed on left or right position of the chart. You can change this default legend size by using the width and height property of the legendSettings.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver' legendShape='SeriesType'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze' legendShape='Rectangle'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
              visible: true, height: '100', width: '500'
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Legend Item Size

You can customize the size of the legend items by using the shapeHeight and shapeWidth property.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze' legendShape='Circle'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
              visible: true, shapeHeight: 15, shapeWidth: 15
        }
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Paging for Legend

Paging will be enabled by default, when the legend items exceeds the legend bounds. You can view each legend
items by navigating between the pages using navigation buttons.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :primaryYAxis='primaryYAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y' name='December 2007' width=2 :marker='marker'> </e-series>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y1' name='December 2008' width=2 :marker='marker1'> </e-series>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y2' name='December 2009' width=2 :marker='marker2'> </e-series>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y3' name='December 2010' width=2 :marker='marker3'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, LineSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
              { x: 'WW', y: 12, y1: 22, y2: 38.3, y3: 50 },
              { x: 'EU', y: 9.9, y1: 26, y2: 45.2, y3: 63.6 },
              { x: 'APAC', y: 4.4, y1: 9.3, y2: 18.2, y3: 20.9 },
              { x: 'LATAM', y: 6.4, y1: 28, y2: 46.7, y3: 65.1 },
              { x: 'MEA', y: 30, y1: 45.7, y2: 61.5, y3: 73 },
              { x: 'NA', y: 25.3, y1: 35.9, y2: 64, y3: 81.4 }
              ],
        primaryXAxis: {
           title: 'Countries',
           valueType: 'Category', interval: 1,
           labelIntersectAction : 'Rotate45'
        },
        primaryYAxis: {
           title: 'Penetration (%)',
            rangePadding: 'None', labelFormat: '{value}%',
            minimum: 0, maximum: 90
        },
        legendSettings: {
            padding: 10, shapePadding: 10,
            visible: true, border: {
                width: 2, color: 'grey'
            },
            width: '200'
        },
        marker: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Diamond'
                },
        marker1: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Pentagon'
                },
        marker2: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Triangle',
                },
        marker3: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Circle'
                }
      title: "FB Penetration of Internet Audience"
    };
  },
  provide: {
    chart: [LineSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Legend Text Wrap

When the legend text exceeds the container, the text can be wrapped by using textWrap Property. End user can also wrap the legend text based on the maximumLabelWidth property.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold Medals'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver Medals'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze Medals'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true, position: 'Right', textWrap:'Wrap', maximumLabelWidth:50
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Set the label color based on series color

You can set the legend label color based on series color by using chart’s loaded event.

app.vue

<template>
    <div id="app">
         <ejs-chart :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings' :loaded='onChartLoaded'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

// declare the series colors
let colors = ['#00BDAE', '#404041', '#357CD2'];
export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true,
                position: 'Top'
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
  methods: {
    onChartLoaded: function(args) {
        let chart = document.querySelector('.e-chart');;
        let legendTextCol = chart.querySelectorAll('[id*="chart_legend_text_"]');
        for (let i = 0; i < legendTextCol.length; i++) {
            //set the color to legend label
            legendTextCol[i].setAttribute('fill', colors[i]);
        }
  }
};
</script>

Enable Animation

You can customize the animation while clicking legend by setting enableAnimation as true or false using enableAnimation property in chart.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :enableAnimation='enableAnimation' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze' legendShape='Circle'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
             visible: true, toggleVisibility: true
        }
      title: "Olympic Medals",
      enableAnimation: true
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
#container {
     height: 350px;
 }
</style>

Collapsing Legend Item

By default, series name will be displayed as legend. To skip the legend for a particular series, you can give empty string to the series name.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver' legendShape='Circle'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze' legendShape='Circle'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
             visible: true, toggleVisibility: true
        }
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
  #container {
     height: 350px;
 }
</style>

Legend Title

You can set title for legend using title property in legendSettings. You can also customize the fontStyle, size, fontWeight, color, textAlignment, fontFamily, opacity and textOverflow of legend title. titlePosition is used to set the legend position in Top, Left and Right position. maximumTitleWidth is used to set the width of the legend title. By default, it will be 100px.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
        },
        legendSettings: {
                visible: true, title: 'Countries'
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Arrow Page Navigation

By default, the page number will be enabled while legend paging. Now, you can disable that page number and also you can get left and right arrows for page navigation. You have to set false value to enablePages to get this support.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :primaryYAxis='primaryYAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y' name='December 2007' width=2 :marker='marker'> </e-series>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y1' name='December 2008' width=2 :marker='marker1'> </e-series>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y2' name='December 2009' width=2 :marker='marker2'> </e-series>
                <e-series :dataSource='seriesData' type='Line' xName='x' yName='y3' name='December 2010' width=2 :marker='marker3'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, LineSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
              { x: 'WW', y: 12, y1: 22, y2: 38.3, y3: 50 },
              { x: 'EU', y: 9.9, y1: 26, y2: 45.2, y3: 63.6 },
              { x: 'APAC', y: 4.4, y1: 9.3, y2: 18.2, y3: 20.9 },
              { x: 'LATAM', y: 6.4, y1: 28, y2: 46.7, y3: 65.1 },
              { x: 'MEA', y: 30, y1: 45.7, y2: 61.5, y3: 73 },
              { x: 'NA', y: 25.3, y1: 35.9, y2: 64, y3: 81.4 }
              ],
        primaryXAxis: {
           title: 'Countries',
           valueType: 'Category', interval: 1,
           labelIntersectAction : 'Rotate45'
        },
        primaryYAxis: {
           title: 'Penetration (%)',
            rangePadding: 'None', labelFormat: '{value}%',
            minimum: 0, maximum: 90
        },
        legendSettings: {
            width: '180',
            enablePages: false
        },
        marker: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Diamond'
                },
        marker1: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Pentagon'
                },
        marker2: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Triangle',
                },
        marker3: {
                    visible: true,
                    width: 10, height: 10,
                    shape: 'Circle'
                }
      title: "FB Penetration of Internet Audience"
    };
  },
  provide: {
    chart: [LineSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Legend Item Padding

The itemPadding property can be used to adjust the space between the legend items.

app.vue

<template>
    <div id="app">
         <ejs-chart id="container" :title='title' :primaryXAxis='primaryXAxis' :legendSettings='legendSettings'>
            <e-series-collection>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='gold' name='Gold'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='silver' name='Silver'> </e-series>
                <e-series :dataSource='seriesData' type='Column' xName='country' yName='bronze' name='Bronze'> </e-series>
            </e-series-collection>
        </ejs-chart>
    </div>
</template>
<script>
import Vue from "vue";
import { ChartPlugin, ColumnSeries, Category, Legend } from "@syncfusion/ej2-vue-charts";

Vue.use(ChartPlugin);

export default {
  data() {
    return {
      seriesData: [
                { country: "USA", gold: 50, silver: 70, bronze: 45 },
                { country: "China", gold: 40, silver: 60, bronze: 55 },
                { country: "Japan", gold: 70, silver: 60, bronze: 50 },
                { country: "Australia", gold: 60, silver: 56, bronze: 40 },
                { country: "France", gold: 50, silver: 45, bronze: 35 },
                { country: "Germany", gold: 40, silver: 30, bronze: 22 },
                { country: "Italy", gold: 40, silver: 35, bronze: 37 },
                { country: "Sweden", gold: 30, silver: 25, bronze: 27 }
              ],
        primaryXAxis: {
           valueType: 'Category',
           title: 'Countries'
        },
        legendSettings: {
                visible: true,
                position: 'Top',
                itemPadding: 30
        },
      title: "Olympic Medals"
    };
  },
  provide: {
    chart: [ColumnSeries, Category, Legend ]
  }
};
</script>
<style>
 #container {
     height: 350px;
 }
</style>

Note: To use legend feature, we need to inject Legend into the Provide.