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Fabric.js Textbox cornerColor Property

  • Last Updated : 17 Jan, 2021

In this article, we are going to see how to change the controlling corners color of a canvas Textbox using Fabric.js. The Textbox in Fabric.js can be stretched according to requirement. Further, the Textbox can be customized when it comes to initial stroke color, fill color, stroke width, or radius.

To make it possible, we are going to use a JavaScript library called Fabric.js. After importing the library using CDN, we will create a canvas block in the body tag that will contain our Textbox. After this, we will initialize instances of Canvas and Textbox provided by Fabric.js and change the controlling corners color of the Textbox using cornerColor property and render the Textbox on the Canvas as given in the below example.

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fabric.Textbox('text', {
    cornerColor: string

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

  • cornerColor: This parameter specifies the color of the controlling corners.

Example: This example uses Fabric.js to change the controlling corners color of a canvas Textbox. Note that you have to click on the object to see the color.


    <!-- Adding the FabricJS library -->
    <script src=
    <h1 style="color: green;">
        Fabric.js | Textbox cornerColor Property
    <canvas id="canvas" width="600" height="300" 
        style="border:1px solid #000000">
        // Initiate a Canvas instance 
        var canvas = new fabric.Canvas("canvas");
        // Create a new Textbox instance 
        var text = new fabric.Textbox(
            'A Computer Science Portal', {
            width: 500,
            cornerColor: 'green'
        // Render the Textbox in canvas 


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