The canvas shadowOffsetX property is used to set or return the horizontal distance of the shadow from the shape. This property holds a positive or negative value where a positive value indicates the shadow to the right and negative value indicates the shadow to the left. Syntax:
context.shadowOffsetX=number
Property Values:
- number: It is used to set a positive or negative number which represents the horizontal distance of the shadow.
Example-1:
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas shadowOffsetX Property
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x = document.getElementById("GFG");
var context = x.getContext("2d");
context.shadowBlur = 20;
// set horizontal distance.
context.shadowOffsetX = 40;
context.shadowColor = "blue";
context.fillStyle = "green";
context.fillRect(50, 50, 350, 200);
context.stroke();
</script>
</body>
</html>
Output: 
Example-2:
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas shadowOffsetX Property
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x =
document.getElementById("GFG");
var context = x.getContext("2d");
context.shadowBlur = 5;
context.shadowOffsetX = 40;
context.shadowColor = "rgb(0, 153, 0)";
context.fillStyle = "rgb(255, 0, 255)";
context.fillRect(50, 50, 350, 200);
context.stroke();
</script>
</body>
</html>
Output: 
Supported Browsers:
- Google Chrome
- Internet Explorer 9.0
- Firefox
- Safari
- Opera