22 lines
499 B
HTML
22 lines
499 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script>
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function start() {
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var canvas = document.getElementById("cnv");
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var ctx = canvas.getContext("2d");
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ctx.fillStyle = "#ff0000";
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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}
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</script>
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</head>
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<body onload="start()">
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<div id="box" style="position: absolute; width: 300px; height: 200px; border-radius: 40px; overflow: hidden;">
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<canvas id="cnv" width="400px" height="400px"></canvas>
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</div>
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</body>
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</html>
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