rect() Method - Javascript Canvas Reference

Javascript examples for Canvas Reference:rect

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Description

The rect() method creates a rectangle.

JavaScript syntax 

context.rect(x, y, width, height);

Parameter Values

Parameter Description
x The x-coordinate of the upper-left corner of the rectangle
y The y-coordinate of the upper-left corner of the rectangle
width The width of the rectangle, in pixels
heightThe height of the rectangle, in pixels

Example

Create three rectangles with the rect() method:

JavaScript:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="250" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

<script>

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");

// Red rectangle//w ww.  j  a  v a2s. co  m
ctx.beginPath();
ctx.lineWidth = "6";
ctx.strokeStyle = "red";
ctx.rect(5, 5, 290, 140);
ctx.stroke();

// Green rectangle
ctx.beginPath();
ctx.lineWidth = "4";
ctx.strokeStyle = "green";
ctx.rect(30, 30, 50, 50);
ctx.stroke();

// Blue rectangle
ctx.beginPath();
ctx.lineWidth = "10";
ctx.strokeStyle = "blue";
ctx.rect(50, 50, 150, 80);
ctx.stroke();
</script>

</body>
</html>

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