Rectangle
In this chapter you will learn:
Rectangle methods
Methods used to draw rectangles:
| Name | Description | Returns |
|---|---|---|
| clearRect(x, y, w, h) | Clears the specified rectangle | void |
| fillRect(x, y, w, h) | Draws a filled rectangle | void |
| strokeRect(x, y, w, h) | Draws an unfilled rectangle | void |
x and y are the offset from the top-left corner of the canvas element. The w and h arguments specify the width and height of the rectangle.
Fill a rectangle
<!DOCTYPE HTML><!-- j av a 2 s.c o m-->
<html>
<head>
<style>
canvas {
border: thin solid black;
margin: 4px
}
</style>
</head>
<body>
<canvas id="canvas" width="500" height="140">
Your browser doesn't support the <code>canvas</code> element
</canvas>
<script>
var ctx = document.getElementById("canvas").getContext("2d");
ctx.fillRect(10, 10, 100, 100);
ctx.strokeRect(30, 30, 200, 200);
</script>
</body>
</html>
Next chapter...
What you will learn in the next chapter:
Home » Javascript Tutorial » Canvas