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Fabric.js Polygon strokeDashArray Property

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  • Last Updated : 20 Jan, 2021
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In this article, we are going to see how to add a stroke dash pattern to the Polygon canvas using FabricJS. The canvas means Polygon written is movable, rotatable, resizable, and can be stretched. But in this article, we will add a stroke dash pattern. Further, the Polygon itself cannot be edited like a textbox.

To make it possible, we are going to use a JavaScript library called FabricJS. After importing the library using CDN, we will create a canvas block in the body tag which will contain our Polygon. After this, we will initialize instances of Canvas and Polygon provided by FabricJS and create a stroke using stroke property and further use the strokeDashArray property to add stroke dash pattern and render the Canvas on the Polygon as given in the below example.


    { x: pixel, y: pixel },  
    { x: pixel, y: pixel },  
    { x: pixel, y: pixel},  
    { x: pixel, y: pixel},  
    { x: pixel, y: pixel }],
        strokeDashArray : Array

Parameters: This property accepts a single value as an array mentioned above and described below:

  • Array: It specifies the stroke dash pattern.

Below example illustrate the Fabric.js strokeDashArray:



<!DOCTYPE html>
    <!-- Loading the FabricJS library -->
    <script src=
    <div style="text-align: center;width: 600px;">
        <h1 style="color: green;">
            Fabric.js | Polygon strokeDashArray Property 
    <canvas id="canvas" width="600" height="200" 
        style="border:1px solid #000000;"
        // Initiate a Canvas instance 
        var canvas = new fabric.Canvas("canvas");
        // Initiate a polygon instance 
        var polygon = new fabric.Polygon([{
            x: 295,
            y: 10
        }, {
            x: 235,
            y: 198
        }, {
            x: 385,
            y: 78
        }, {
            x: 205,
            y: 78
        }, {
            x: 355,
            y: 198
        }], {
            stroke: 'green',
            strokeDashArray: [10]
        // Render the polygon in canvas 


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