<!DOCTYPE html>
<html lang="en-US">
<body>
<canvas id="point" width="230" height="150">Your browser does not support the canvas element.
</canvas>
<script>
var canvas = document.getElementById('point');
var ctx = canvas.getContext('2d');
ctx.beginPath();
ctx.moveTo(5, 5);
ctx.bezierCurveTo(100,150, 200,10, 220,140);
ctx.stroke();
</script> </body>
</html>