HTML5 Canvas Hide and Show Shape Tutorial

To hide and show a shape with Konva, we can set the visible property when we instantiate a shape, or we can use the hide() and show() methods.

Instructions: Click on the buttons to show and hide the shape.

Konva Hide and Show Demoview raw
<!DOCTYPE html>
<script src=""></script>
<meta charset="utf-8">
<title>Konva Hide and Show Demo</title>
body {
margin: 0;
padding: 0;
overflow: hidden;
background-color: #F0F0F0;
#buttons {
position: absolute;
left: 10px;
top: 0px;
button {
margin-top: 10px;
display: block;
<div id="container"></div>
<div id="buttons">
<button id="show">
<button id="hide">
var width = window.innerWidth;
var height = window.innerHeight;

var stage = new Konva.Stage({
container: 'container',
width: width,
height: height
var layer = new Konva.Layer();

var pentagon = new Konva.RegularPolygon({
x: stage.getWidth() / 2,
y: stage.getHeight() / 2,
sides: 5,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
visible: false

// add the shape to the layer

// add the layer to the stage

// add button event bindings
document.getElementById('show').addEventListener('click', function() {;
}, false);

document.getElementById('hide').addEventListener('click', function() {
}, false);