console.log('ttt')
// first we need to create a stage
var stage = new Konva.Stage({
container: 'container', // id of container <div>
width: 500,
height: 500,
});
// then create layer
var layer = new Konva.Layer();
// create our shape
var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4,
});
// add the shape to the layer
layer.add(circle);
// add the layer to the stage
stage.add(layer);
<html>
<body>
<div class="container"></div>
</body>
</html>