finished ch 9
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10
10/index.html
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10
10/index.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Tennjs</title>
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</head>
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<body>
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<canvas id="canvas" width="300" height="300"></canvas>
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<script src="script.js"></script>
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</body>
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</html>
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12
10/script.js
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12
10/script.js
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let canvas = document.querySelector("#canvas");
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let ctx = canvas.getContext("2d");
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let width = canvas.width;
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let height = canvas.height;
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const BALL_SIZE = 5;
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let ballPosition = {x: 20, y: 30};
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function draw() {
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ctx.fillStyle = "black"; ctx.fillRect(0, 0, width, height);
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ctx.fillStyle = "white";
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ctx.fillRect(ballPosition.x, ballPosition.y, BALL_SIZE, BALL_SIZE);
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}
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draw();
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