<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/biblioteka.js"></script>
<canvas id="rysunek" width="600" height="600" ></canvas>
</head>
<body>
<script>
var kanwa = document.getElementById("rysunek");
var malarz = kanwa.getContext("2d");
var a;
malarz.moveTo(200,300);
malarz.lineTo(300,300);
malarz.stroke();
//malarz.arc(200,250,10,0,Math.PI*2,false);
//malarz.strokeRect(50,50,200,150);
</script>
</script>
</body>
<html>