HTML canvas rect() Method

Introduction

Draw a 150*100 pixels rectangle:

View in separate window 

<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="180" 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");
ctx.rect(20, 20, 150, 100);/*from  w  w w .  j  av  a  2s.c  om*/
ctx.stroke();
</script>

</body>
</html>

The rect() method creates a rectangle.

Use the stroke() or the fill() method to actually draw the rectangle on the canvas. 

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



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