The clearRect() method is used to clear the specified pixels within a given rectangle. Syntax:
context.clearRect( x, y, width, height )
Parameters:
- x: It stores the x-coordinate of the top-left corner of the rectangle.
- y: It stores the y-coordinate of the top-left corner of the rectangle.
- width: It stores the width in pixel.
- height: It stores the height in pixel.
Example-1:
html
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas clearRect() Method
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x = document.getElementById("GFG");
var context = x.getContext("2d");
context.fillRect(50, 50, 350, 200);
context.clearRect(100, 100, 250, 100);
context.stroke();
</script>
</body>
</html>
|
Output: 
Example-2:
html
<!DOCTYPE html>
<html>
<head>
<title>
HTML canvas clearRect() Method
</title>
</head>
<body>
<canvas id="GFG"
width="500"
height="300">
</canvas>
<script>
var x = document.getElementById("GFG");
var context = x.getContext("2d");
context.fillStyle = "green";
context.fillRect(50, 50, 350, 200);
context.clearRect(130, 60, 250, 100);
context.stroke();
</script>
</body>
</html>
|
Output: 
Supported Browsers:
- Google Chrome
- Internet Explorer 9.0
- Firefox
- Safari
- Opera
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