HTML canvas strokeRect()Methods

Canvas 对象参考手册Canvas Object

Examples

Draw a 150*100 pixel rectangle:

YourbrowserdoesnotsupporttheHTML5canvastag.

JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.strokeRect(20,20,150,100);

Try it Yourself »

Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

Internet Explorer 9, Firefox, Opera, Chrome, and Safari support the strokeRect() method.

Note:Internet Explorer 8 and earlier versions do not support the <canvas> element.


Definition and Usage

The strokeRect() method draws a rectangle (no fill). The default color of the stroke is black.

Tip:Use thestrokeStyleproperty to set the color, gradient, or pattern of the stroke.

JavaScript Syntax: context.strokeRect(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.
height The height of the rectangle, in pixels.


Canvas 对象参考手册Canvas Object

Other Extensions