31 lines
622 B
HTML
31 lines
622 B
HTML
<!DOCTYPE html>
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<html lang="en" >
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<head>
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<meta charset="utf-8" />
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</head>
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<body>
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<style>
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canvas { display: block; }
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</style>
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<script>
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function createCanvas(alpha) {
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const canvas = document.createElement("canvas");
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canvas.width = 500;
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canvas.height = 50;
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canvas.style.opacity = alpha;
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document.body.appendChild(canvas);
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const ctx = canvas.getContext('2d');
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ctx.font = "20px Arial";
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ctx.fillText("Text: ABC, Clocks: \ud83d\udd52 \ud83d\udd53 \ud83d\udd54 \ud83d\udd55.", 50, 30);
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}
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createCanvas(0);
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createCanvas(0.25);
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createCanvas(0.5);
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createCanvas(0.75);
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createCanvas(1);
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</script>
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</body>
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</html>
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