How to set the gradient color for the JavaScript Area Chart?

Description

This article explains how to set the gradient color for the JavaScript Area Chart.

Solution

A gradient color is a visual representation of the range of colors arranged in a smooth transition from one color to another. This gradient color is filled in the chart by using the fill property in the series of a chart. You can create a linear-gradient SVG and then set its ID to the fill property in the series.

Code Snippet

The following code shows how to add the gradient color to the series.

index.html

<svg>
<defs>
   <linearGradient id="grad1" x1="100%" y1="0%" x2="0%" y2="100%">
   <stop offset="0%" style="stop-color: #85e6b9;stop-opacity:1" />
   <stop offset="100%" style="stop-color:#d8f7e8;stop-opacity:0.5" />
   </linearGradient>
</defs>
</svg>

index.ts

series: [
 {
     dataSource: [
        { x: "Mon", y: 0.5 }, { x: "Tue", y: 1 },
        { x: "Wed", y: 2 }, { x: "Thur", y: 1.2 },
        { x: "Fri", y: 2.3 }, { x: "Sat", y: 0.5 },
        { x: "Sun", y: 1 }
     ],
     fill: "url('#grad1')",
     xName: 'x', yName: 'y', type: 'SplineArea',
     border: { color: "transparent" },
          opacity: 1
   }
]

The following image illustrates the output of the above code.

Refer to the working sample for additional details and implementation: View Sample in Stackblitz

Conclusion

We hope you enjoyed learning how to set the gradient color for the JavaScript Area Chart.

You can refer to our JavaScript Charts feature tour page to learn about its other features 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 visualize data.

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