Gets or sets the current level of blur that is applied to shadows.
This property is read/write.
.png){kind=icon}
.png){kind=icon} |
Syntax
| JavaScript | |
|---|
Property values
Type: Floating-point
The amount of blur that is applied to shadows.
Standards information
- HTML Canvas 2D Context, Section 7
Examples
The following code example creates a series of squares that have different degrees of shadow blur.
<html>
<head>
<title>ShadowBlur example</title>
<script type="text/javascript">
function draw() {
var canvas = document.getElementById("MyCanvas");
if (canvas.getContext) {
var ctx = canvas.getContext("2d");
ctx.lineWidth = "3";
ctx.strokeStyle = "blue";
// Define the shadow parameters.
ctx.shadowColor = "black";
ctx.shadowOffsetX = "10";
ctx.shadowOffsetY = "10";
// Change the blur value.
ctx.shadowBlur = "0";
ctx.strokeRect(25, 25, 200, 200);
ctx.shadowBlur = "5";
ctx.strokeRect(100, 100, 200, 200);
ctx.shadowBlur = "10";
ctx.strokeRect(175, 175, 200, 200);
ctx.shadowBlur = "15";
ctx.strokeRect(250, 250, 200, 200);
ctx.shadowBlur = "20";
ctx.strokeRect(325, 325, 200, 200);
}
}
</script>
</head>
<body onload="draw();">
<canvas id="MyCanvas" width="600" height="600">This browser or document mode doesn't support canvas</canvas>
</body>
</html>
See also
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Build date: 11/28/2012
