17 lines
413 B
HTML
17 lines
413 B
HTML
<html>
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<head>
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<script type="text/javascript">
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window.onload = function() {
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var ctx = document.getElementById("c1").getContext("2d");
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ctx.rect(50, 50, 200, 50);
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ctx.rect(50, 50, 50, 200);
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ctx.rect(250, 250, -200, -50);
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ctx.rect(250, 250, -50, -200);
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ctx.fill();
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}
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</script>
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</head>
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<body>
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<div><canvas id="c1" width="300" height="300"></canvas></div>
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</body>
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</html>
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