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Fabric.js Itext lockMovementY Property

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

Approach: First import the fabric.js library. After importing the library, create a canvas block in the body tag which will contain the Itext . After this, initialize an instance of Canvas and Itext class provided by Fabric.JS and use the lockMovementY property is used to lock the vertical movement.


fabric.Itext(Itext, {
    lockMovementY: boolean

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

  • lockMovementY: This parameter takes a boolean value to lock the vertical movement .

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


<!DOCTYPE html>
    <!-- FabricJS CDN -->
    <script src=
    <div style="text-align: center;width: 400px;">
        <h1 style="color: green;">
            Fabric.js | Itext lockMovementY Property 
    <div style="text-align: center;">
        <canvas id="canvas" width="400" height="200"
            style="border:1px solid green;"
        var canvas = new fabric.Canvas("canvas");
        var geek = new fabric.IText('GeeksforGeeks', {
            lockMovementY: true



Last Updated : 29 Jan, 2021
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