HTML5 canvas Circle Tutorial

To create a circle with Konva, we can instantiate a Konva.Circle() object.

For a full list of attributes and methods, check out the Konva.Circle documentation.

Konva Circle Demoview raw
<!DOCTYPE html>
<script src=""></script>
<meta charset="utf-8">
<title>Konva Circle Demo</title>
body {
margin: 0;
padding: 0;
overflow: hidden;
background-color: #F0F0F0;
<div id="container"></div>
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 circle = new Konva.Circle({
x: stage.getWidth() / 2,
y: stage.getHeight() / 2,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4

// add the shape to the layer

// add the layer to the stage