<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
canvas#myCanvas{
border: 1px solid burlywood;
}
</style>
</head>
<body>
<canvas id="myCanvas" width="640" height="480"></canvas>
<script>
var ctx = document.querySelector("#myCanvas").getContext("2d");
console.log(ctx);
ctx.fillStyle = "#ff0000";
var x = 0;
var int = setInterval(function(){
x += 10;
if(x>=500){
clearInterval(int);
}
ctx.fillStyle = "#FFFFFF";
ctx.fillRect(x-10, 50, 100, 80);
ctx.fillStyle = "#ff0000";
ctx.fillRect(x, 50, 100, 80);
}, 20);
// 원 그리기
ctx.strokeStyle = "#00FF00";
ctx.lineWidth = 5;
ctx.beginPath();
ctx.arc(200, 200, 100, 0, 2*Math.PI);
ctx.stroke();
// 선 그리기
ctx.strokeStyle = "#0000FF";
ctx.lineWidth = 5;
ctx.beginPath();
ctx.moveTo(300, 300);
ctx.lineTo(50, 0);
ctx.stroke();
</script>
</body>
</html>
