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Fabric.js Image lockScalingY Property

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  • Last Updated : 29 Jan, 2021

Fabric.js is a JavaScript library that is used to work with canvas. The canvas image is one of the class of fabric.js that is used to create image instances. The canvas image means the Image is movable and can be stretched according to requirement.In this article we will be using, lockScalingY property is used to lock the vertical scaling in a canvas image.


  • First import the fabric.js library.
  • After importing the library, create a canvas block in the body tag which will contain the image. 
  • After this, initialize an instance of Canvas and image class provided by Fabric.JS and use the lockScalingY property is used to lock the vertical scaling. 
  • After this render the image on the canvas.


fabric.Image(image, {
    lockScalingY : boolean

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

  • lockScalingY : This parameter takes a boolean value to lock the vertical scaling.

Example: This example uses FabricJS to set the lockScalingY property of the canvas image as shown in the below example:


<!DOCTYPE html> 
    <!-- Adding the FabricJS library -->
    <script src
    <h1 style="color: green;"
        Fabric.js | Image lockScalingY  Property 
    <canvas id="canvas" width="400" height="300"
        style="border:2px solid #000000"
    <img src
        width="100" height="100" id="my-image"
        style="display: none;"
        // Creating the instance of canvas object 
        var canvas = new fabric.Canvas("canvas"); 
        // Getting the image 
        var img = document.getElementById('my-image'); 
        // Creating the image instance 
        var geeks = new fabric.Image(img, {
            lockScalingY  : true


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