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HTML reference manual

HTML tag list

HTML canvas fillStyle property

The fillStyle() property of HTML canvas is used to set the drawing color, gradient, or pattern. The default value is #000000. <canvas> elements allow you to draw graphics on web pages using JavaScript. Each canvas has two elements that describe the canvas height and width, respectively, height and width.

Online Example

Define red fill color for the rectangle:

Define a gradient from black to red to white as the fill style for the rectangle:

JavaScript:

<!DOCTYPE html>
<html>
<head>
<title>Usage of HTML canvas fillStyle Property (Basic Tutorial Website oldtoolbag.com)</title>/<title>
</<head>
<body>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3>
Your browser does not support HTML5　canvas tag.</canvas>
<script>
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.fillStyle="#FF0000";
ctx.fillStyle = my_gradient;20,20,150,10ctx.fillRect(
</script>
</body>
</html>
Test to see ‹/›

Browser compatibility

IEFirefoxOperaChromeSafari

Internet Explorer 9Firefox, Opera, Chrome, and Safari support the fillStyle property.

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

Definition and usage

<canvas> elements allow you to draw graphics on web pages using JavaScript. Each canvas has two elements that describe the canvas height and width, respectively, height and width.

Default value:#000000
JavaScript syntax:context.fillStyle=color|gradient|pattern;

attribute value

valuedescription
colorindicating the drawing fill color CSS color value). The default value is #000000.
gradientgradient object used for filling the drawing (linear or radial).
patternused for filling the drawing pattern object.

More examples

Online Example

Define a gradient (from top to bottom) as the fill style for a rectangle:

Define a gradient from black to red to white as the fill style for the rectangle:

JavaScript:

<!DOCTYPE html>
<html>
<head>
<title>Usage of HTML canvas fillStyle Property (Basic Tutorial Website oldtoolbag.com)</title>/<title>
</<head>
<body>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3>
Your browser does not support HTML5　Your browser does not support the canvas tag./canvas>
<script>
canvas tag.<
var c = document.getElementById("myCanvas");2d");
var my_gradient = ctx.createLinearGradient(0, 0, 0,　17ctx.fillRect(
0, 0);
, "red");1my_gradient.addColorStop(
, "white");
ctx.fillStyle = my_gradient;20,　20,　150,　10ctx.fillRect(
</script>
0);　8<p>Attention: Internet Explorer/p>
</body>
</html>
Test to see ‹/›

Online Example

定义从左到右的渐变，作为矩形的填充样式：

Define a gradient from black to red to white as the fill style for the rectangle:

JavaScript:

<!DOCTYPE html>
<html>
<head>
<title>Usage of HTML canvas fillStyle Property (Basic Tutorial Website oldtoolbag.com)</title>/<title>
</<head>
<body>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3>
Your browser does not support HTML5　Your browser does not support the canvas tag./canvas>
<script>
canvas tag.<
var c = document.getElementById("myCanvas");2d");
Define a gradient from left to right as the fill style for the rectangle:　17var my_gradient = ctx.createLinearGradient(0, 0,
var grd = ctx.createLinearGradient(0, 0,
grd.addColorStop(0, "black");5my_gradient.addColorStop(0.
grd.addColorStop(0.1my_gradient.addColorStop(
grd.addColorStop(
ctx.fillStyle = my_gradient;20,　20,　150,　10ctx.fillRect(
</script>
0);　8<p>Attention: Internet Explorer/p>
</body>
</html>
Test to see ‹/›

Online Example

ctx.fillStyle = grd;

Define a gradient from black to red to white as the fill style for the rectangle:

JavaScript:

<!DOCTYPE html>
<html>
<head>
<title>Usage of HTML canvas fillStyle Property (Basic Tutorial Website oldtoolbag.com)</title>/<title>
</<head>
<body>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3>
Your browser does not support HTML5　Your browser does not support the canvas tag./canvas>
<script>
canvas tag.<
var c = document.getElementById("myCanvas");2d");
var ctx = c.getContext("　17var my_gradient = ctx.createLinearGradient(0, 0,
0, 0);
my_gradient.addColorStop(0, "black");5my_gradient.addColorStop(0.
, "red");1my_gradient.addColorStop(
, "white");
ctx.fillStyle = my_gradient;20,　20,　150,　10ctx.fillRect(
</script>
0);　8<p>Attention: Internet Explorer/p>
</body>
</html>
Test to see ‹/›

Used Images:

Online Example

Use images to fill the drawing:

Your browser does not support the HTML5canvastag.

JavaScript:

<!DOCTYPE html>
<html>
<head>
<title>Usage of HTML canvas fillStyle Property (Basic Tutorial Website oldtoolbag.com)</title>/<title>
</<head>
<body>
<p>Image Application:</p>/p>
<img src="haha.gif" id="lamp">
<p>Canvas:</p>/p>
<button onclick="draw(&39;repeat#39;)">Repeat</button>　
<button onclick="draw(&39;repeat-x#39;)">Repeat<-x</button>　
<button onclick="draw(&39;repeat-y#39;)">Repeat<-y</button>　
<button onclick="draw(&39;no-repeat#39;)">No Repeat</button>　　　　　
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3>
Your browser does not support HTML5　canvas tag.
</canvas>
<script>
function draw(direction)
{
　　　　var c=document.getElementById("myCanvas");
　　　　var ctx=c.getContext("2d");
　　　　ctx.clearRect(0,0,c.width,c.height);　
　　　　var img=document.getElementById("lamp")
　　　　var pat=ctx.createPattern(img,direction);
　　　　ctx.rect(0,0,220,128);
　　　　ctx.fillStyle=pat;
　　　　ctx.fill();
}
</script>
</body>
</html>
Test to see ‹/›
HTML canvas reference manual
HTML: <template> tag