14 lines
369 B
HTML
14 lines
369 B
HTML
<!DOCTYPE html>
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<head><meta charset="utf-8"></head>
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<body>
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<canvas id="canvas" width="150" height="150"></canvas>
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<script>
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let canvas = document.getElementById("canvas");
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let ctx = canvas.getContext("2d");
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ctx.fillStyle = "red";
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ctx.fillRect(0, 0, 150, 150);
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ctx.globalCompositeOperation = "copy";
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ctx.fillStyle = "green";
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ctx.fillRect(0, 0, 50, 50);
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</script>
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</body>
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