Property:
shadowColor:
Canvas:
your browser does not support the canvas tag
Code:
const c = document.getElementById('myCanvas');
const ctx = c.getContext('2d');
ctx.shadowBlur = 20;
ctx.shadowColor = '#000000';
ctx.fillStyle = 'red';
ctx.fillRect(20, 20, 100, 80);
Click the property values above to see the result
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