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Fabric.js Group cornerDashArray Property

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In this article, we are going to see how to set the cornerDashArray of a Group of the canvas using Fabric.js. The Group in Fabric.js is movable and can be stretched according to requirements. Further, the Group can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.

To make it possible we are going to use a JavaScript library called Fabric.js. After importing the library, we will create a canvas block in the body tag that will contain the Group. After this, we will initialize instances of Canvas and Group provided by Fabric.js, add a dash pattern to controlling corners of the Group using the cornerDashArray property.


fabric.Group([canvas1, canvas2], {
   cornerDashArray: Array

Parameters: This property accepts a single parameter as mentioned above and described below:

  • cornerDashArray: It specifies the pattern of the controlling corners.

The below example illustrates the use of Fabric.js Group cornerDashArray property:



  <!-- FabricJS CDN -->
  <script src=
    <div style="text-align: center;width: 400px;">
      <h1 style="color: green;">
          Fabric.js | Group cornerDashArray Property
    <div style="text-align: center;">
      <canvas id="canvas" width="500" height="300"
              style="border:1px solid green;">
      // Initiate a Canvas instance
      var canvas = 
          new fabric.Canvas("canvas");
      // Initiate a circle instance
      var circle = 
          new fabric.Circle({
        radius: 100,
        fill: 'lightgreen',
        scaleY: 0.6,
        originX: 'center',
        originY: 'center'
      // Initiate a text instance
      var text = 
          new fabric.Text('GeeksforGeeks', {
        fontSize: 25,
        originX: 'center',
        originY: 'center'
      // Initiate a Group instance
      var group = 
          new fabric.Group([ circle, text ], {
        cornerColor: 'red',  
        cornerDashArray: [5]     
      // Render the Group in canvas
      // Center the Group in canvas



Last Updated : 01 Feb, 2021
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