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How to use marker in JavaScript ejChart?

1 min read

Markers are similar to adornments that is used to represent points in a series. When you place mouse on a marker, it gets highlighted automatically. Refer to the Data Labels for using data labels in chart.

JavaScript Chart supports using marker to represent points in a series. You can set Marker to all series or specific series based on the requirement. To enable marker for all the series in chart, it is declared within commonSeriesOptions of chart.

The online sample with markers in series is available in the following link Chart Symbols

The visible property of marker is enabled to display marker. You can customize marker size, shape etc.

The following code example explains how to set marker for all series.

JS

$("#container").ejChart({
    commonSeriesOptions: {
        type: 'spline', animation: true,
        marker:{
            shape: 'circle',
            size: {
                height: 10, width: 10
            },
            border:{color: "green", width: 3}, fill: "yellow", opacity: 0.5,
            visible: true
        }
    }
});

 

Screenshot

Following screenshot shows Chart with markers customized using commonSeriesOptions

The following code example explains how to set marker for specific series.

JS

$("#container").ejChart({
    series: [{
        type: 'spline', animation: true,
        marker:{
            shape: 'circle',
            size: {
                height: 10, width: 10
            },
            border:{color: "green", width: 3}, fill: "yellow", opacity: 0.5,
            visible: true
        }
    }]
});

 

Screenshot

Following screenshot shows Chart with marker specifically customized for first series in series collection


Conclusion

I hope you enjoyed learning on how to use markers in JavaScript Chart.

You can refer to our JavaScript Charts feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our JavaScript Charts example to understand how to create and manipulate data.
For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.
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